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Finding the Fourth Proportional to 491,750.10, 737,625.15 and 342,159.30

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Solution

The fourth proportional to 491,750.10, 737,625.15 and 342,159.30 is: 513,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,750.10 : 737,625.15 = 342,159.30 : x
  2. Step 2: Convert to fraction form
    491,750.10/737,625.15 = 342,159.30/x
  3. Step 3: Cross multiply
    491,750.10x = 737,625.15 × 342,159.30
  4. Step 4: Simplify right side
    491,750.10x = 252,385,304,986.40
  5. Step 5: Solve for x
    x = 252,385,304,986.40/491,750.10
  6. Step 6: Final answer
    x = 513,238.95

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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.