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Finding the Fourth Proportional to 239,320.71, 359,023.76 and 79,406.24

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Solution

The fourth proportional to 239,320.71, 359,023.76 and 79,406.24 is: 119,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,320.71 : 359,023.76 = 79,406.24 : x
  2. Step 2: Convert to fraction form
    239,320.71/359,023.76 = 79,406.24/x
  3. Step 3: Cross multiply
    239,320.71x = 359,023.76 × 79,406.24
  4. Step 4: Simplify right side
    239,320.71x = 28,508,724,660.11
  5. Step 5: Solve for x
    x = 28,508,724,660.11/239,320.71
  6. Step 6: Final answer
    x = 119,123.52

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1.5x scale

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.