Home / 485,284.66-669,731.38-267,532.03

Finding the Fourth Proportional to 485,284.66, 669,731.38 and 267,532.03

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Solution

The fourth proportional to 485,284.66, 669,731.38 and 267,532.03 is: 369,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,284.66 : 669,731.38 = 267,532.03 : x
  2. Step 2: Convert to fraction form
    485,284.66/669,731.38 = 267,532.03/x
  3. Step 3: Cross multiply
    485,284.66x = 669,731.38 × 267,532.03
  4. Step 4: Simplify right side
    485,284.66x = 179,174,593,302.94
  5. Step 5: Solve for x
    x = 179,174,593,302.94/485,284.66
  6. Step 6: Final answer
    x = 369,215.45

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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.