Home / 257,517.23-386,324.30-103,654.98

Finding the Fourth Proportional to 257,517.23, 386,324.30 and 103,654.98

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Solution

The fourth proportional to 257,517.23, 386,324.30 and 103,654.98 is: 155,501.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,517.23 : 386,324.30 = 103,654.98 : x
  2. Step 2: Convert to fraction form
    257,517.23/386,324.30 = 103,654.98/x
  3. Step 3: Cross multiply
    257,517.23x = 386,324.30 × 103,654.98
  4. Step 4: Simplify right side
    257,517.23x = 40,044,437,590.01
  5. Step 5: Solve for x
    x = 40,044,437,590.01/257,517.23
  6. Step 6: Final answer
    x = 155,501.97

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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.