Home / 361,015.20-541,516.32-147,736.80

Finding the Fourth Proportional to 361,015.20, 541,516.32 and 147,736.80

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Solution

The fourth proportional to 361,015.20, 541,516.32 and 147,736.80 is: 221,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,015.20 : 541,516.32 = 147,736.80 : x
  2. Step 2: Convert to fraction form
    361,015.20/541,516.32 = 147,736.80/x
  3. Step 3: Cross multiply
    361,015.20x = 541,516.32 × 147,736.80
  4. Step 4: Simplify right side
    361,015.20x = 80,001,888,264.58
  5. Step 5: Solve for x
    x = 80,001,888,264.58/361,015.20
  6. Step 6: Final answer
    x = 221,602.55

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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.