Home / 485,204.68-727,917.80-148,293.28

Finding the Fourth Proportional to 485,204.68, 727,917.80 and 148,293.28

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Solution

The fourth proportional to 485,204.68, 727,917.80 and 148,293.28 is: 222,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,204.68 : 727,917.80 = 148,293.28 : x
  2. Step 2: Convert to fraction form
    485,204.68/727,917.80 = 148,293.28/x
  3. Step 3: Cross multiply
    485,204.68x = 727,917.80 × 148,293.28
  4. Step 4: Simplify right side
    485,204.68x = 107,945,318,132.38
  5. Step 5: Solve for x
    x = 107,945,318,132.38/485,204.68
  6. Step 6: Final answer
    x = 222,473.78

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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.