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Finding the Fourth Proportional to 252,076.68, 347,850.18 and 144,655.56

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Solution

The fourth proportional to 252,076.68, 347,850.18 and 144,655.56 is: 199,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,076.68 : 347,850.18 = 144,655.56 : x
  2. Step 2: Convert to fraction form
    252,076.68/347,850.18 = 144,655.56/x
  3. Step 3: Cross multiply
    252,076.68x = 347,850.18 × 144,655.56
  4. Step 4: Simplify right side
    252,076.68x = 50,318,462,584.00
  5. Step 5: Solve for x
    x = 50,318,462,584.00/252,076.68
  6. Step 6: Final answer
    x = 199,615.70

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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.