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Finding the Fourth Proportional to 150,700.20, 225,704.70 and 88,492.20

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Solution

The fourth proportional to 150,700.20, 225,704.70 and 88,492.20 is: 132,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,700.20 : 225,704.70 = 88,492.20 : x
  2. Step 2: Convert to fraction form
    150,700.20/225,704.70 = 88,492.20/x
  3. Step 3: Cross multiply
    150,700.20x = 225,704.70 × 88,492.20
  4. Step 4: Simplify right side
    150,700.20x = 19,973,105,453.34
  5. Step 5: Solve for x
    x = 19,973,105,453.34/150,700.20
  6. Step 6: Final answer
    x = 132,535.36

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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.