Home / 319,623.38-479,500.20-130,082.03

Finding the Fourth Proportional to 319,623.38, 479,500.20 and 130,082.03

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Solution

The fourth proportional to 319,623.38, 479,500.20 and 130,082.03 is: 195,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,623.38 : 479,500.20 = 130,082.03 : x
  2. Step 2: Convert to fraction form
    319,623.38/479,500.20 = 130,082.03/x
  3. Step 3: Cross multiply
    319,623.38x = 479,500.20 × 130,082.03
  4. Step 4: Simplify right side
    319,623.38x = 62,374,357,003.91
  5. Step 5: Solve for x
    x = 62,374,357,003.91/319,623.38
  6. Step 6: Final answer
    x = 195,149.55

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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.