Home / 361,353.36-541,819.94-136,731.15

Finding the Fourth Proportional to 361,353.36, 541,819.94 and 136,731.15

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Solution

The fourth proportional to 361,353.36, 541,819.94 and 136,731.15 is: 205,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,353.36 : 541,819.94 = 136,731.15 : x
  2. Step 2: Convert to fraction form
    361,353.36/541,819.94 = 136,731.15/x
  3. Step 3: Cross multiply
    361,353.36x = 541,819.94 × 136,731.15
  4. Step 4: Simplify right side
    361,353.36x = 74,083,662,805.48
  5. Step 5: Solve for x
    x = 74,083,662,805.48/361,353.36
  6. Step 6: Final answer
    x = 205,017.22

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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.