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Finding the Fourth Proportional to 279,901.53, 386,249.58 and 159,026.04

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Solution

The fourth proportional to 279,901.53, 386,249.58 and 159,026.04 is: 219,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,901.53 : 386,249.58 = 159,026.04 : x
  2. Step 2: Convert to fraction form
    279,901.53/386,249.58 = 159,026.04/x
  3. Step 3: Cross multiply
    279,901.53x = 386,249.58 × 159,026.04
  4. Step 4: Simplify right side
    279,901.53x = 61,423,741,159.06
  5. Step 5: Solve for x
    x = 61,423,741,159.06/279,901.53
  6. Step 6: Final answer
    x = 219,447.68

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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.