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Finding the Fourth Proportional to 150,329.48, 225,486.30 and 50,491.72

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Solution

The fourth proportional to 150,329.48, 225,486.30 and 50,491.72 is: 75,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,329.48 : 225,486.30 = 50,491.72 : x
  2. Step 2: Convert to fraction form
    150,329.48/225,486.30 = 50,491.72/x
  3. Step 3: Cross multiply
    150,329.48x = 225,486.30 × 50,491.72
  4. Step 4: Simplify right side
    150,329.48x = 11,385,189,996.00
  5. Step 5: Solve for x
    x = 11,385,189,996.00/150,329.48
  6. Step 6: Final answer
    x = 75,734.91

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1.5x scale

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.