Home / 268,775.28-403,517.16-156,558.96

Finding the Fourth Proportional to 268,775.28, 403,517.16 and 156,558.96

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Solution

The fourth proportional to 268,775.28, 403,517.16 and 156,558.96 is: 235,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,775.28 : 403,517.16 = 156,558.96 : x
  2. Step 2: Convert to fraction form
    268,775.28/403,517.16 = 156,558.96/x
  3. Step 3: Cross multiply
    268,775.28x = 403,517.16 × 156,558.96
  4. Step 4: Simplify right side
    268,775.28x = 63,174,226,911.75
  5. Step 5: Solve for x
    x = 63,174,226,911.75/268,775.28
  6. Step 6: Final answer
    x = 235,044.78

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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.