Home / 481,988.40-665,144.04-267,142.32

Finding the Fourth Proportional to 481,988.40, 665,144.04 and 267,142.32

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Solution

The fourth proportional to 481,988.40, 665,144.04 and 267,142.32 is: 368,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,988.40 : 665,144.04 = 267,142.32 : x
  2. Step 2: Convert to fraction form
    481,988.40/665,144.04 = 267,142.32/x
  3. Step 3: Cross multiply
    481,988.40x = 665,144.04 × 267,142.32
  4. Step 4: Simplify right side
    481,988.40x = 177,688,121,979.77
  5. Step 5: Solve for x
    x = 177,688,121,979.77/481,988.40
  6. Step 6: Final answer
    x = 368,656.43

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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.