Home / 499,549.12-749,293.92-144,555.04

Finding the Fourth Proportional to 499,549.12, 749,293.92 and 144,555.04

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Solution

The fourth proportional to 499,549.12, 749,293.92 and 144,555.04 is: 216,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,549.12 : 749,293.92 = 144,555.04 : x
  2. Step 2: Convert to fraction form
    499,549.12/749,293.92 = 144,555.04/x
  3. Step 3: Cross multiply
    499,549.12x = 749,293.92 × 144,555.04
  4. Step 4: Simplify right side
    499,549.12x = 108,314,212,577.36
  5. Step 5: Solve for x
    x = 108,314,212,577.36/499,549.12
  6. Step 6: Final answer
    x = 216,823.95

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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.