Home / 766,101.66-1,149,149.39-233,621.15

Finding the Fourth Proportional to 766,101.66, 1,149,149.39 and 233,621.15

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Solution

The fourth proportional to 766,101.66, 1,149,149.39 and 233,621.15 is: 350,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,101.66 : 1,149,149.39 = 233,621.15 : x
  2. Step 2: Convert to fraction form
    766,101.66/1,149,149.39 = 233,621.15/x
  3. Step 3: Cross multiply
    766,101.66x = 1,149,149.39 × 233,621.15
  4. Step 4: Simplify right side
    766,101.66x = 268,465,595,099.75
  5. Step 5: Solve for x
    x = 268,465,595,099.75/766,101.66
  6. Step 6: Final answer
    x = 350,430.77

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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.