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Finding the Fourth Proportional to 150,487.88, 225,736.61 and 55,741.91

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Solution

The fourth proportional to 150,487.88, 225,736.61 and 55,741.91 is: 83,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,487.88 : 225,736.61 = 55,741.91 : x
  2. Step 2: Convert to fraction form
    150,487.88/225,736.61 = 55,741.91/x
  3. Step 3: Cross multiply
    150,487.88x = 225,736.61 × 55,741.91
  4. Step 4: Simplify right side
    150,487.88x = 12,582,988,390.93
  5. Step 5: Solve for x
    x = 12,582,988,390.93/150,487.88
  6. Step 6: Final answer
    x = 83,614.63

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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.