Home / 361,129.11-541,398.09-136,362

Finding the Fourth Proportional to 361,129.11, 541,398.09 and 136,362

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Solution

The fourth proportional to 361,129.11, 541,398.09 and 136,362 is: 204,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,129.11 : 541,398.09 = 136,362 : x
  2. Step 2: Convert to fraction form
    361,129.11/541,398.09 = 136,362/x
  3. Step 3: Cross multiply
    361,129.11x = 541,398.09 × 136,362
  4. Step 4: Simplify right side
    361,129.11x = 73,826,126,348.58
  5. Step 5: Solve for x
    x = 73,826,126,348.58/361,129.11
  6. Step 6: Final answer
    x = 204,431.39

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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.