Home / 262,217.97-393,329.23-84,725

Finding the Fourth Proportional to 262,217.97, 393,329.23 and 84,725

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Solution

The fourth proportional to 262,217.97, 393,329.23 and 84,725 is: 127,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,217.97 : 393,329.23 = 84,725 : x
  2. Step 2: Convert to fraction form
    262,217.97/393,329.23 = 84,725/x
  3. Step 3: Cross multiply
    262,217.97x = 393,329.23 × 84,725
  4. Step 4: Simplify right side
    262,217.97x = 33,324,819,011.75
  5. Step 5: Solve for x
    x = 33,324,819,011.75/262,217.97
  6. Step 6: Final answer
    x = 127,088.24

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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.