Home / 449,770.32-674,426.25-150,143.22

Finding the Fourth Proportional to 449,770.32, 674,426.25 and 150,143.22

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Solution

The fourth proportional to 449,770.32, 674,426.25 and 150,143.22 is: 225,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,770.32 : 674,426.25 = 150,143.22 : x
  2. Step 2: Convert to fraction form
    449,770.32/674,426.25 = 150,143.22/x
  3. Step 3: Cross multiply
    449,770.32x = 674,426.25 × 150,143.22
  4. Step 4: Simplify right side
    449,770.32x = 101,260,528,827.53
  5. Step 5: Solve for x
    x = 101,260,528,827.53/449,770.32
  6. Step 6: Final answer
    x = 225,138.31

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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.