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Finding the Fourth Proportional to 287,214, 396,364.44 and 179,749.68

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Solution

The fourth proportional to 287,214, 396,364.44 and 179,749.68 is: 248,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,214 : 396,364.44 = 179,749.68 : x
  2. Step 2: Convert to fraction form
    287,214/396,364.44 = 179,749.68/x
  3. Step 3: Cross multiply
    287,214x = 396,364.44 × 179,749.68
  4. Step 4: Simplify right side
    287,214x = 71,246,381,253.38
  5. Step 5: Solve for x
    x = 71,246,381,253.38/287,214
  6. Step 6: Final answer
    x = 248,060.27

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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.