Home / 527,447.67-791,079.25-148,278.27

Finding the Fourth Proportional to 527,447.67, 791,079.25 and 148,278.27

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Solution

The fourth proportional to 527,447.67, 791,079.25 and 148,278.27 is: 222,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,447.67 : 791,079.25 = 148,278.27 : x
  2. Step 2: Convert to fraction form
    527,447.67/791,079.25 = 148,278.27/x
  3. Step 3: Cross multiply
    527,447.67x = 791,079.25 × 148,278.27
  4. Step 4: Simplify right side
    527,447.67x = 117,299,862,622.90
  5. Step 5: Solve for x
    x = 117,299,862,622.90/527,447.67
  6. Step 6: Final answer
    x = 222,391.47

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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.