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Finding the Fourth Proportional to 499,583.40, 749,375.10 and 144,633.30

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Solution

The fourth proportional to 499,583.40, 749,375.10 and 144,633.30 is: 216,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,583.40 : 749,375.10 = 144,633.30 : x
  2. Step 2: Convert to fraction form
    499,583.40/749,375.10 = 144,633.30/x
  3. Step 3: Cross multiply
    499,583.40x = 749,375.10 × 144,633.30
  4. Step 4: Simplify right side
    499,583.40x = 108,384,593,650.83
  5. Step 5: Solve for x
    x = 108,384,593,650.83/499,583.40
  6. Step 6: Final answer
    x = 216,949.95

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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.