Home / 221,385.69-332,176.10-116,179.29

Finding the Fourth Proportional to 221,385.69, 332,176.10 and 116,179.29

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Solution

The fourth proportional to 221,385.69, 332,176.10 and 116,179.29 is: 174,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,385.69 : 332,176.10 = 116,179.29 : x
  2. Step 2: Convert to fraction form
    221,385.69/332,176.10 = 116,179.29/x
  3. Step 3: Cross multiply
    221,385.69x = 332,176.10 × 116,179.29
  4. Step 4: Simplify right side
    221,385.69x = 38,591,982,872.07
  5. Step 5: Solve for x
    x = 38,591,982,872.07/221,385.69
  6. Step 6: Final answer
    x = 174,320.13

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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.