Home / 439,304.80-658,082.40-229,061.20

Finding the Fourth Proportional to 439,304.80, 658,082.40 and 229,061.20

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Solution

The fourth proportional to 439,304.80, 658,082.40 and 229,061.20 is: 343,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,304.80 : 658,082.40 = 229,061.20 : x
  2. Step 2: Convert to fraction form
    439,304.80/658,082.40 = 229,061.20/x
  3. Step 3: Cross multiply
    439,304.80x = 658,082.40 × 229,061.20
  4. Step 4: Simplify right side
    439,304.80x = 150,741,144,242.88
  5. Step 5: Solve for x
    x = 150,741,144,242.88/439,304.80
  6. Step 6: Final answer
    x = 343,135.66

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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.