Home / 361,013.13-541,113.66-136,220.94

Finding the Fourth Proportional to 361,013.13, 541,113.66 and 136,220.94

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Solution

The fourth proportional to 361,013.13, 541,113.66 and 136,220.94 is: 204,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,013.13 : 541,113.66 = 136,220.94 : x
  2. Step 2: Convert to fraction form
    361,013.13/541,113.66 = 136,220.94/x
  3. Step 3: Cross multiply
    361,013.13x = 541,113.66 × 136,220.94
  4. Step 4: Simplify right side
    361,013.13x = 73,711,011,412.04
  5. Step 5: Solve for x
    x = 73,711,011,412.04/361,013.13
  6. Step 6: Final answer
    x = 204,178.20

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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.