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Finding the Fourth Proportional to 498,348.20, 747,522.30 and 182,764.10

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Solution

The fourth proportional to 498,348.20, 747,522.30 and 182,764.10 is: 274,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,348.20 : 747,522.30 = 182,764.10 : x
  2. Step 2: Convert to fraction form
    498,348.20/747,522.30 = 182,764.10/x
  3. Step 3: Cross multiply
    498,348.20x = 747,522.30 × 182,764.10
  4. Step 4: Simplify right side
    498,348.20x = 136,620,240,389.43
  5. Step 5: Solve for x
    x = 136,620,240,389.43/498,348.20
  6. Step 6: Final answer
    x = 274,146.15

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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.