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Finding the Fourth Proportional to 437,452.52, 656,156.90 and 171,261.81

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Solution

The fourth proportional to 437,452.52, 656,156.90 and 171,261.81 is: 256,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,452.52 : 656,156.90 = 171,261.81 : x
  2. Step 2: Convert to fraction form
    437,452.52/656,156.90 = 171,261.81/x
  3. Step 3: Cross multiply
    437,452.52x = 656,156.90 × 171,261.81
  4. Step 4: Simplify right side
    437,452.52x = 112,374,618,766.14
  5. Step 5: Solve for x
    x = 112,374,618,766.14/437,452.52
  6. Step 6: Final answer
    x = 256,884.15

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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.