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Finding the Fourth Proportional to 234,818.60, 352,227.90 and 85,130.60

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Solution

The fourth proportional to 234,818.60, 352,227.90 and 85,130.60 is: 127,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,818.60 : 352,227.90 = 85,130.60 : x
  2. Step 2: Convert to fraction form
    234,818.60/352,227.90 = 85,130.60/x
  3. Step 3: Cross multiply
    234,818.60x = 352,227.90 × 85,130.60
  4. Step 4: Simplify right side
    234,818.60x = 29,985,372,463.74
  5. Step 5: Solve for x
    x = 29,985,372,463.74/234,818.60
  6. Step 6: Final answer
    x = 127,695.90

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1.5x scale

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.