Home / 481,207.76-721,911.24-144,234.80

Finding the Fourth Proportional to 481,207.76, 721,911.24 and 144,234.80

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Solution

The fourth proportional to 481,207.76, 721,911.24 and 144,234.80 is: 216,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,207.76 : 721,911.24 = 144,234.80 : x
  2. Step 2: Convert to fraction form
    481,207.76/721,911.24 = 144,234.80/x
  3. Step 3: Cross multiply
    481,207.76x = 721,911.24 × 144,234.80
  4. Step 4: Simplify right side
    481,207.76x = 104,124,723,319.15
  5. Step 5: Solve for x
    x = 104,124,723,319.15/481,207.76
  6. Step 6: Final answer
    x = 216,382.05

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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.