Home / 482,725.16-666,161.82-267,865.80

Finding the Fourth Proportional to 482,725.16, 666,161.82 and 267,865.80

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Solution

The fourth proportional to 482,725.16, 666,161.82 and 267,865.80 is: 369,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,725.16 : 666,161.82 = 267,865.80 : x
  2. Step 2: Convert to fraction form
    482,725.16/666,161.82 = 267,865.80/x
  3. Step 3: Cross multiply
    482,725.16x = 666,161.82 × 267,865.80
  4. Step 4: Simplify right side
    482,725.16x = 178,441,968,843.76
  5. Step 5: Solve for x
    x = 178,441,968,843.76/482,725.16
  6. Step 6: Final answer
    x = 369,655.41

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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.