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Finding the Fourth Proportional to 279,951.06, 386,332.44 and 159,092.58

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Solution

The fourth proportional to 279,951.06, 386,332.44 and 159,092.58 is: 219,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,951.06 : 386,332.44 = 159,092.58 : x
  2. Step 2: Convert to fraction form
    279,951.06/386,332.44 = 159,092.58/x
  3. Step 3: Cross multiply
    279,951.06x = 386,332.44 × 159,092.58
  4. Step 4: Simplify right side
    279,951.06x = 61,462,624,617.30
  5. Step 5: Solve for x
    x = 61,462,624,617.30/279,951.06
  6. Step 6: Final answer
    x = 219,547.75

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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.