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Finding the Fourth Proportional to 482,097.72, 665,284.26 and 267,235.92

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Solution

The fourth proportional to 482,097.72, 665,284.26 and 267,235.92 is: 368,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,097.72 : 665,284.26 = 267,235.92 : x
  2. Step 2: Convert to fraction form
    482,097.72/665,284.26 = 267,235.92/x
  3. Step 3: Cross multiply
    482,097.72x = 665,284.26 × 267,235.92
  4. Step 4: Simplify right side
    482,097.72x = 177,787,851,282.62
  5. Step 5: Solve for x
    x = 177,787,851,282.62/482,097.72
  6. Step 6: Final answer
    x = 368,779.70

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Why These Related Problems?

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