Home / 485,070.62-727,338.11-225,124.83

Finding the Fourth Proportional to 485,070.62, 727,338.11 and 225,124.83

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Solution

The fourth proportional to 485,070.62, 727,338.11 and 225,124.83 is: 337,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,070.62 : 727,338.11 = 225,124.83 : x
  2. Step 2: Convert to fraction form
    485,070.62/727,338.11 = 225,124.83/x
  3. Step 3: Cross multiply
    485,070.62x = 727,338.11 × 225,124.83
  4. Step 4: Simplify right side
    485,070.62x = 163,741,864,293.94
  5. Step 5: Solve for x
    x = 163,741,864,293.94/485,070.62
  6. Step 6: Final answer
    x = 337,562.94

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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.