Home / 392,681.98-541,869.19-220,590.59

Finding the Fourth Proportional to 392,681.98, 541,869.19 and 220,590.59

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Solution

The fourth proportional to 392,681.98, 541,869.19 and 220,590.59 is: 304,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,681.98 : 541,869.19 = 220,590.59 : x
  2. Step 2: Convert to fraction form
    392,681.98/541,869.19 = 220,590.59/x
  3. Step 3: Cross multiply
    392,681.98x = 541,869.19 × 220,590.59
  4. Step 4: Simplify right side
    392,681.98x = 119,531,245,352.94
  5. Step 5: Solve for x
    x = 119,531,245,352.94/392,681.98
  6. Step 6: Final answer
    x = 304,397.08

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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.