Home / 279,844.27-386,194.13-158,983.36

Finding the Fourth Proportional to 279,844.27, 386,194.13 and 158,983.36

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Solution

The fourth proportional to 279,844.27, 386,194.13 and 158,983.36 is: 219,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,844.27 : 386,194.13 = 158,983.36 : x
  2. Step 2: Convert to fraction form
    279,844.27/386,194.13 = 158,983.36/x
  3. Step 3: Cross multiply
    279,844.27x = 386,194.13 × 158,983.36
  4. Step 4: Simplify right side
    279,844.27x = 61,398,439,235.46
  5. Step 5: Solve for x
    x = 61,398,439,235.46/279,844.27
  6. Step 6: Final answer
    x = 219,402.17

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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.