Home / 534,799.08-802,200-135,439.90

Finding the Fourth Proportional to 534,799.08, 802,200 and 135,439.90

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Solution

The fourth proportional to 534,799.08, 802,200 and 135,439.90 is: 203,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,799.08 : 802,200 = 135,439.90 : x
  2. Step 2: Convert to fraction form
    534,799.08/802,200 = 135,439.90/x
  3. Step 3: Cross multiply
    534,799.08x = 802,200 × 135,439.90
  4. Step 4: Simplify right side
    534,799.08x = 108,649,887,780
  5. Step 5: Solve for x
    x = 108,649,887,780/534,799.08
  6. Step 6: Final answer
    x = 203,160.20

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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.