Home / 319,614.28-479,296.81-119,825.76

Finding the Fourth Proportional to 319,614.28, 479,296.81 and 119,825.76

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Solution

The fourth proportional to 319,614.28, 479,296.81 and 119,825.76 is: 179,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,614.28 : 479,296.81 = 119,825.76 : x
  2. Step 2: Convert to fraction form
    319,614.28/479,296.81 = 119,825.76/x
  3. Step 3: Cross multiply
    319,614.28x = 479,296.81 × 119,825.76
  4. Step 4: Simplify right side
    319,614.28x = 57,432,104,523.83
  5. Step 5: Solve for x
    x = 57,432,104,523.83/319,614.28
  6. Step 6: Final answer
    x = 179,691.92

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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.