Home / 482,864.66-666,348.41-267,999.20

Finding the Fourth Proportional to 482,864.66, 666,348.41 and 267,999.20

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Solution

The fourth proportional to 482,864.66, 666,348.41 and 267,999.20 is: 369,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,864.66 : 666,348.41 = 267,999.20 : x
  2. Step 2: Convert to fraction form
    482,864.66/666,348.41 = 267,999.20/x
  3. Step 3: Cross multiply
    482,864.66x = 666,348.41 × 267,999.20
  4. Step 4: Simplify right side
    482,864.66x = 178,580,836,129.53
  5. Step 5: Solve for x
    x = 178,580,836,129.53/482,864.66
  6. Step 6: Final answer
    x = 369,836.21

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1.5x scale

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.