Home / 279,844.17-386,195.28-159,005.94

Finding the Fourth Proportional to 279,844.17, 386,195.28 and 159,005.94

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Solution

The fourth proportional to 279,844.17, 386,195.28 and 159,005.94 is: 219,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,844.17 : 386,195.28 = 159,005.94 : x
  2. Step 2: Convert to fraction form
    279,844.17/386,195.28 = 159,005.94/x
  3. Step 3: Cross multiply
    279,844.17x = 386,195.28 × 159,005.94
  4. Step 4: Simplify right side
    279,844.17x = 61,407,341,475.46
  5. Step 5: Solve for x
    x = 61,407,341,475.46/279,844.17
  6. Step 6: Final answer
    x = 219,434.06

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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.