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Finding the Fourth Proportional to 527,375.16, 791,109.36 and 148,299.12

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Solution

The fourth proportional to 527,375.16, 791,109.36 and 148,299.12 is: 222,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,375.16 : 791,109.36 = 148,299.12 : x
  2. Step 2: Convert to fraction form
    527,375.16/791,109.36 = 148,299.12/x
  3. Step 3: Cross multiply
    527,375.16x = 791,109.36 × 148,299.12
  4. Step 4: Simplify right side
    527,375.16x = 117,320,821,911.76
  5. Step 5: Solve for x
    x = 117,320,821,911.76/527,375.16
  6. Step 6: Final answer
    x = 222,461.79

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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.