Home / 392,528.68-588,418.94-126,102.16

Finding the Fourth Proportional to 392,528.68, 588,418.94 and 126,102.16

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Solution

The fourth proportional to 392,528.68, 588,418.94 and 126,102.16 is: 189,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,528.68 : 588,418.94 = 126,102.16 : x
  2. Step 2: Convert to fraction form
    392,528.68/588,418.94 = 126,102.16/x
  3. Step 3: Cross multiply
    392,528.68x = 588,418.94 × 126,102.16
  4. Step 4: Simplify right side
    392,528.68x = 74,200,899,318.91
  5. Step 5: Solve for x
    x = 74,200,899,318.91/392,528.68
  6. Step 6: Final answer
    x = 189,033.07

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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.