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Finding the Fourth Proportional to 482,268.54, 665,538.57 and 267,417.66

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Solution

The fourth proportional to 482,268.54, 665,538.57 and 267,417.66 is: 369,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,268.54 : 665,538.57 = 267,417.66 : x
  2. Step 2: Convert to fraction form
    482,268.54/665,538.57 = 267,417.66/x
  3. Step 3: Cross multiply
    482,268.54x = 665,538.57 × 267,417.66
  4. Step 4: Simplify right side
    482,268.54x = 177,976,767,029.15
  5. Step 5: Solve for x
    x = 177,976,767,029.15/482,268.54
  6. Step 6: Final answer
    x = 369,040.80

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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.