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Finding the Fourth Proportional to 449,452.16, 674,012.80 and 183,068

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Solution

The fourth proportional to 449,452.16, 674,012.80 and 183,068 is: 274,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,452.16 : 674,012.80 = 183,068 : x
  2. Step 2: Convert to fraction form
    449,452.16/674,012.80 = 183,068/x
  3. Step 3: Cross multiply
    449,452.16x = 674,012.80 × 183,068
  4. Step 4: Simplify right side
    449,452.16x = 123,390,175,270.40
  5. Step 5: Solve for x
    x = 123,390,175,270.40/449,452.16
  6. Step 6: Final answer
    x = 274,534.61

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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.