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Finding the Fourth Proportional to 252,852.74, 379,334.51 and 95,081.20

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Solution

The fourth proportional to 252,852.74, 379,334.51 and 95,081.20 is: 142,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,852.74 : 379,334.51 = 95,081.20 : x
  2. Step 2: Convert to fraction form
    252,852.74/379,334.51 = 95,081.20/x
  3. Step 3: Cross multiply
    252,852.74x = 379,334.51 × 95,081.20
  4. Step 4: Simplify right side
    252,852.74x = 36,067,580,412.21
  5. Step 5: Solve for x
    x = 36,067,580,412.21/252,852.74
  6. Step 6: Final answer
    x = 142,642.63

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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.