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Finding the Fourth Proportional to 292,894.92, 439,184.39 and 132,883.54

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Solution

The fourth proportional to 292,894.92, 439,184.39 and 132,883.54 is: 199,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,894.92 : 439,184.39 = 132,883.54 : x
  2. Step 2: Convert to fraction form
    292,894.92/439,184.39 = 132,883.54/x
  3. Step 3: Cross multiply
    292,894.92x = 439,184.39 × 132,883.54
  4. Step 4: Simplify right side
    292,894.92x = 58,360,374,693.56
  5. Step 5: Solve for x
    x = 58,360,374,693.56/292,894.92
  6. Step 6: Final answer
    x = 199,253.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.