Home / 499,581.40-749,372.10-144,631.30

Finding the Fourth Proportional to 499,581.40, 749,372.10 and 144,631.30

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Solution

The fourth proportional to 499,581.40, 749,372.10 and 144,631.30 is: 216,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,581.40 : 749,372.10 = 144,631.30 : x
  2. Step 2: Convert to fraction form
    499,581.40/749,372.10 = 144,631.30/x
  3. Step 3: Cross multiply
    499,581.40x = 749,372.10 × 144,631.30
  4. Step 4: Simplify right side
    499,581.40x = 108,382,661,006.73
  5. Step 5: Solve for x
    x = 108,382,661,006.73/499,581.40
  6. Step 6: Final answer
    x = 216,946.95

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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.