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Finding the Fourth Proportional to 498,450.78, 747,491.46 and 178,552.80

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Solution

The fourth proportional to 498,450.78, 747,491.46 and 178,552.80 is: 267,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,450.78 : 747,491.46 = 178,552.80 : x
  2. Step 2: Convert to fraction form
    498,450.78/747,491.46 = 178,552.80/x
  3. Step 3: Cross multiply
    498,450.78x = 747,491.46 × 178,552.80
  4. Step 4: Simplify right side
    498,450.78x = 133,466,693,159.09
  5. Step 5: Solve for x
    x = 133,466,693,159.09/498,450.78
  6. Step 6: Final answer
    x = 267,763.03

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1.5x scale

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.