Home / 392,747.50-541,945.92-220,641.58

Finding the Fourth Proportional to 392,747.50, 541,945.92 and 220,641.58

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Solution

The fourth proportional to 392,747.50, 541,945.92 and 220,641.58 is: 304,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,747.50 : 541,945.92 = 220,641.58 : x
  2. Step 2: Convert to fraction form
    392,747.50/541,945.92 = 220,641.58/x
  3. Step 3: Cross multiply
    392,747.50x = 541,945.92 × 220,641.58
  4. Step 4: Simplify right side
    392,747.50x = 119,575,804,063.35
  5. Step 5: Solve for x
    x = 119,575,804,063.35/392,747.50
  6. Step 6: Final answer
    x = 304,459.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.