Home / 319,722.60-479,583.78-95,082.12

Finding the Fourth Proportional to 319,722.60, 479,583.78 and 95,082.12

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Solution

The fourth proportional to 319,722.60, 479,583.78 and 95,082.12 is: 142,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,722.60 : 479,583.78 = 95,082.12 : x
  2. Step 2: Convert to fraction form
    319,722.60/479,583.78 = 95,082.12/x
  3. Step 3: Cross multiply
    319,722.60x = 479,583.78 × 95,082.12
  4. Step 4: Simplify right side
    319,722.60x = 45,599,842,520.01
  5. Step 5: Solve for x
    x = 45,599,842,520.01/319,722.60
  6. Step 6: Final answer
    x = 142,623.14

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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.