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Finding the Fourth Proportional to 252,043.16, 347,627.48 and 171,334.65

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Solution

The fourth proportional to 252,043.16, 347,627.48 and 171,334.65 is: 236,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,043.16 : 347,627.48 = 171,334.65 : x
  2. Step 2: Convert to fraction form
    252,043.16/347,627.48 = 171,334.65/x
  3. Step 3: Cross multiply
    252,043.16x = 347,627.48 × 171,334.65
  4. Step 4: Simplify right side
    252,043.16x = 59,560,633,063.11
  5. Step 5: Solve for x
    x = 59,560,633,063.11/252,043.16
  6. Step 6: Final answer
    x = 236,311.25

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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.