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Finding the Fourth Proportional to 449,559.52, 674,436.48 and 239,166.88

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Solution

The fourth proportional to 449,559.52, 674,436.48 and 239,166.88 is: 358,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,559.52 : 674,436.48 = 239,166.88 : x
  2. Step 2: Convert to fraction form
    449,559.52/674,436.48 = 239,166.88/x
  3. Step 3: Cross multiply
    449,559.52x = 674,436.48 × 239,166.88
  4. Step 4: Simplify right side
    449,559.52x = 161,302,868,679.78
  5. Step 5: Solve for x
    x = 161,302,868,679.78/449,559.52
  6. Step 6: Final answer
    x = 358,802.03

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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.