Home / 361,128.32-541,742.88-150,718.08

Finding the Fourth Proportional to 361,128.32, 541,742.88 and 150,718.08

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Solution

The fourth proportional to 361,128.32, 541,742.88 and 150,718.08 is: 226,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,128.32 : 541,742.88 = 150,718.08 : x
  2. Step 2: Convert to fraction form
    361,128.32/541,742.88 = 150,718.08/x
  3. Step 3: Cross multiply
    361,128.32x = 541,742.88 × 150,718.08
  4. Step 4: Simplify right side
    361,128.32x = 81,650,446,727.27
  5. Step 5: Solve for x
    x = 81,650,446,727.27/361,128.32
  6. Step 6: Final answer
    x = 226,098.15

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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.