Home / 402,819.04-604,277.76-136,655.68

Finding the Fourth Proportional to 402,819.04, 604,277.76 and 136,655.68

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Solution

The fourth proportional to 402,819.04, 604,277.76 and 136,655.68 is: 205,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,819.04 : 604,277.76 = 136,655.68 : x
  2. Step 2: Convert to fraction form
    402,819.04/604,277.76 = 136,655.68/x
  3. Step 3: Cross multiply
    402,819.04x = 604,277.76 × 136,655.68
  4. Step 4: Simplify right side
    402,819.04x = 82,577,988,201.68
  5. Step 5: Solve for x
    x = 82,577,988,201.68/402,819.04
  6. Step 6: Final answer
    x = 205,000.21

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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.