Home / 402,837.20-604,132.30-132,915.52

Finding the Fourth Proportional to 402,837.20, 604,132.30 and 132,915.52

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Solution

The fourth proportional to 402,837.20, 604,132.30 and 132,915.52 is: 199,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,837.20 : 604,132.30 = 132,915.52 : x
  2. Step 2: Convert to fraction form
    402,837.20/604,132.30 = 132,915.52/x
  3. Step 3: Cross multiply
    402,837.20x = 604,132.30 × 132,915.52
  4. Step 4: Simplify right side
    402,837.20x = 80,298,558,803.30
  5. Step 5: Solve for x
    x = 80,298,558,803.30/402,837.20
  6. Step 6: Final answer
    x = 199,332.53

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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.