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Finding the Fourth Proportional to 178,500.88, 267,329.16 and 154,999.60

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Solution

The fourth proportional to 178,500.88, 267,329.16 and 154,999.60 is: 232,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,500.88 : 267,329.16 = 154,999.60 : x
  2. Step 2: Convert to fraction form
    178,500.88/267,329.16 = 154,999.60/x
  3. Step 3: Cross multiply
    178,500.88x = 267,329.16 × 154,999.60
  4. Step 4: Simplify right side
    178,500.88x = 41,435,912,868.34
  5. Step 5: Solve for x
    x = 41,435,912,868.34/178,500.88
  6. Step 6: Final answer
    x = 232,132.82

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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.