Home / 766,102.40-1,149,150.51-233,621.90

Finding the Fourth Proportional to 766,102.40, 1,149,150.51 and 233,621.90

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Solution

The fourth proportional to 766,102.40, 1,149,150.51 and 233,621.90 is: 350,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,102.40 : 1,149,150.51 = 233,621.90 : x
  2. Step 2: Convert to fraction form
    766,102.40/1,149,150.51 = 233,621.90/x
  3. Step 3: Cross multiply
    766,102.40x = 1,149,150.51 × 233,621.90
  4. Step 4: Simplify right side
    766,102.40x = 268,466,719,786.42
  5. Step 5: Solve for x
    x = 268,466,719,786.42/766,102.40
  6. Step 6: Final answer
    x = 350,431.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.