Home / 930,272.79-1,395,160.10-256,193.90

Finding the Fourth Proportional to 930,272.79, 1,395,160.10 and 256,193.90

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Solution

The fourth proportional to 930,272.79, 1,395,160.10 and 256,193.90 is: 384,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,272.79 : 1,395,160.10 = 256,193.90 : x
  2. Step 2: Convert to fraction form
    930,272.79/1,395,160.10 = 256,193.90/x
  3. Step 3: Cross multiply
    930,272.79x = 1,395,160.10 × 256,193.90
  4. Step 4: Simplify right side
    930,272.79x = 357,431,507,143.39
  5. Step 5: Solve for x
    x = 357,431,507,143.39/930,272.79
  6. Step 6: Final answer
    x = 384,222.25

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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.