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Finding the Fourth Proportional to 449,234.95, 673,624.84 and 149,610.48

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Solution

The fourth proportional to 449,234.95, 673,624.84 and 149,610.48 is: 224,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,234.95 : 673,624.84 = 149,610.48 : x
  2. Step 2: Convert to fraction form
    449,234.95/673,624.84 = 149,610.48/x
  3. Step 3: Cross multiply
    449,234.95x = 673,624.84 × 149,610.48
  4. Step 4: Simplify right side
    449,234.95x = 100,781,335,652.32
  5. Step 5: Solve for x
    x = 100,781,335,652.32/449,234.95
  6. Step 6: Final answer
    x = 224,339.93

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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.