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Finding the Fourth Proportional to 482,076.20, 665,312.87 and 267,257.79

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Solution

The fourth proportional to 482,076.20, 665,312.87 and 267,257.79 is: 368,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,076.20 : 665,312.87 = 267,257.79 : x
  2. Step 2: Convert to fraction form
    482,076.20/665,312.87 = 267,257.79/x
  3. Step 3: Cross multiply
    482,076.20x = 665,312.87 × 267,257.79
  4. Step 4: Simplify right side
    482,076.20x = 177,810,047,294.76
  5. Step 5: Solve for x
    x = 177,810,047,294.76/482,076.20
  6. Step 6: Final answer
    x = 368,842.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.