Home / 239,834.49-359,689.05-71,309.43

Finding the Fourth Proportional to 239,834.49, 359,689.05 and 71,309.43

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Solution

The fourth proportional to 239,834.49, 359,689.05 and 71,309.43 is: 106,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,834.49 : 359,689.05 = 71,309.43 : x
  2. Step 2: Convert to fraction form
    239,834.49/359,689.05 = 71,309.43/x
  3. Step 3: Cross multiply
    239,834.49x = 359,689.05 × 71,309.43
  4. Step 4: Simplify right side
    239,834.49x = 25,649,221,132.74
  5. Step 5: Solve for x
    x = 25,649,221,132.74/239,834.49
  6. Step 6: Final answer
    x = 106,945.51

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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.