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Finding the Fourth Proportional to 449,826.62, 674,774.78 and 150,308.24

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Solution

The fourth proportional to 449,826.62, 674,774.78 and 150,308.24 is: 225,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,826.62 : 674,774.78 = 150,308.24 : x
  2. Step 2: Convert to fraction form
    449,826.62/674,774.78 = 150,308.24/x
  3. Step 3: Cross multiply
    449,826.62x = 674,774.78 × 150,308.24
  4. Step 4: Simplify right side
    449,826.62x = 101,424,209,578.19
  5. Step 5: Solve for x
    x = 101,424,209,578.19/449,826.62
  6. Step 6: Final answer
    x = 225,474.01

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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.