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Finding the Fourth Proportional to 361,894.48, 542,843.78 and 95,652.18

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Solution

The fourth proportional to 361,894.48, 542,843.78 and 95,652.18 is: 143,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,894.48 : 542,843.78 = 95,652.18 : x
  2. Step 2: Convert to fraction form
    361,894.48/542,843.78 = 95,652.18/x
  3. Step 3: Cross multiply
    361,894.48x = 542,843.78 × 95,652.18
  4. Step 4: Simplify right side
    361,894.48x = 51,924,190,478.18
  5. Step 5: Solve for x
    x = 51,924,190,478.18/361,894.48
  6. Step 6: Final answer
    x = 143,478.81

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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.