Home / 284,139.03-392,162.66-169,425.06

Finding the Fourth Proportional to 284,139.03, 392,162.66 and 169,425.06

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Solution

The fourth proportional to 284,139.03, 392,162.66 and 169,425.06 is: 233,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,139.03 : 392,162.66 = 169,425.06 : x
  2. Step 2: Convert to fraction form
    284,139.03/392,162.66 = 169,425.06/x
  3. Step 3: Cross multiply
    284,139.03x = 392,162.66 × 169,425.06
  4. Step 4: Simplify right side
    284,139.03x = 66,442,180,517.87
  5. Step 5: Solve for x
    x = 66,442,180,517.87/284,139.03
  6. Step 6: Final answer
    x = 233,836.87

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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.