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Finding the Fourth Proportional to 482,744.88, 666,177.84 and 267,883.20

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Solution

The fourth proportional to 482,744.88, 666,177.84 and 267,883.20 is: 369,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,744.88 : 666,177.84 = 267,883.20 : x
  2. Step 2: Convert to fraction form
    482,744.88/666,177.84 = 267,883.20/x
  3. Step 3: Cross multiply
    482,744.88x = 666,177.84 × 267,883.20
  4. Step 4: Simplify right side
    482,744.88x = 178,457,851,548.29
  5. Step 5: Solve for x
    x = 178,457,851,548.29/482,744.88
  6. Step 6: Final answer
    x = 369,673.21

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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.