Home / 257,026.20-385,565.44-88,524.60

Finding the Fourth Proportional to 257,026.20, 385,565.44 and 88,524.60

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Solution

The fourth proportional to 257,026.20, 385,565.44 and 88,524.60 is: 132,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,026.20 : 385,565.44 = 88,524.60 : x
  2. Step 2: Convert to fraction form
    257,026.20/385,565.44 = 88,524.60/x
  3. Step 3: Cross multiply
    257,026.20x = 385,565.44 × 88,524.60
  4. Step 4: Simplify right side
    257,026.20x = 34,132,026,349.82
  5. Step 5: Solve for x
    x = 34,132,026,349.82/257,026.20
  6. Step 6: Final answer
    x = 132,795.90

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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.