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Finding the Fourth Proportional to 252,230.70, 347,881.53 and 161,595.09

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Solution

The fourth proportional to 252,230.70, 347,881.53 and 161,595.09 is: 222,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,230.70 : 347,881.53 = 161,595.09 : x
  2. Step 2: Convert to fraction form
    252,230.70/347,881.53 = 161,595.09/x
  3. Step 3: Cross multiply
    252,230.70x = 347,881.53 × 161,595.09
  4. Step 4: Simplify right side
    252,230.70x = 56,215,949,467.90
  5. Step 5: Solve for x
    x = 56,215,949,467.90/252,230.70
  6. Step 6: Final answer
    x = 222,875.13

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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.