Home / 499,266.30-748,899.45-144,291.90

Finding the Fourth Proportional to 499,266.30, 748,899.45 and 144,291.90

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Solution

The fourth proportional to 499,266.30, 748,899.45 and 144,291.90 is: 216,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,266.30 : 748,899.45 = 144,291.90 : x
  2. Step 2: Convert to fraction form
    499,266.30/748,899.45 = 144,291.90/x
  3. Step 3: Cross multiply
    499,266.30x = 748,899.45 × 144,291.90
  4. Step 4: Simplify right side
    499,266.30x = 108,060,124,549.46
  5. Step 5: Solve for x
    x = 108,060,124,549.46/499,266.30
  6. Step 6: Final answer
    x = 216,437.85

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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.