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Finding the Fourth Proportional to 491,170.47, 736,755.72 and 136,184.50

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Solution

The fourth proportional to 491,170.47, 736,755.72 and 136,184.50 is: 204,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,170.47 : 736,755.72 = 136,184.50 : x
  2. Step 2: Convert to fraction form
    491,170.47/736,755.72 = 136,184.50/x
  3. Step 3: Cross multiply
    491,170.47x = 736,755.72 × 136,184.50
  4. Step 4: Simplify right side
    491,170.47x = 100,334,709,350.34
  5. Step 5: Solve for x
    x = 100,334,709,350.34/491,170.47
  6. Step 6: Final answer
    x = 204,276.75

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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.