Home / 257,773.48-386,567.22-89,248.12

Finding the Fourth Proportional to 257,773.48, 386,567.22 and 89,248.12

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Solution

The fourth proportional to 257,773.48, 386,567.22 and 89,248.12 is: 133,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,773.48 : 386,567.22 = 89,248.12 : x
  2. Step 2: Convert to fraction form
    257,773.48/386,567.22 = 89,248.12/x
  3. Step 3: Cross multiply
    257,773.48x = 386,567.22 × 89,248.12
  4. Step 4: Simplify right side
    257,773.48x = 34,500,397,638.63
  5. Step 5: Solve for x
    x = 34,500,397,638.63/257,773.48
  6. Step 6: Final answer
    x = 133,839.98

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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.