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Finding the Fourth Proportional to 252,655.35, 348,778.35 and 166,665.48

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Solution

The fourth proportional to 252,655.35, 348,778.35 and 166,665.48 is: 230,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,655.35 : 348,778.35 = 166,665.48 : x
  2. Step 2: Convert to fraction form
    252,655.35/348,778.35 = 166,665.48/x
  3. Step 3: Cross multiply
    252,655.35x = 348,778.35 × 166,665.48
  4. Step 4: Simplify right side
    252,655.35x = 58,129,311,116.36
  5. Step 5: Solve for x
    x = 58,129,311,116.36/252,655.35
  6. Step 6: Final answer
    x = 230,073.54

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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.