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Finding the Fourth Proportional to 492,091.40, 737,672.70 and 267,120.20

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Solution

The fourth proportional to 492,091.40, 737,672.70 and 267,120.20 is: 400,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,091.40 : 737,672.70 = 267,120.20 : x
  2. Step 2: Convert to fraction form
    492,091.40/737,672.70 = 267,120.20/x
  3. Step 3: Cross multiply
    492,091.40x = 737,672.70 × 267,120.20
  4. Step 4: Simplify right side
    492,091.40x = 197,047,279,158.54
  5. Step 5: Solve for x
    x = 197,047,279,158.54/492,091.40
  6. Step 6: Final answer
    x = 400,428.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.