Home / 252,778.84-348,837.20-143,877.86

Finding the Fourth Proportional to 252,778.84, 348,837.20 and 143,877.86

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Solution

The fourth proportional to 252,778.84, 348,837.20 and 143,877.86 is: 198,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,778.84 : 348,837.20 = 143,877.86 : x
  2. Step 2: Convert to fraction form
    252,778.84/348,837.20 = 143,877.86/x
  3. Step 3: Cross multiply
    252,778.84x = 348,837.20 × 143,877.86
  4. Step 4: Simplify right side
    252,778.84x = 50,189,949,824.39
  5. Step 5: Solve for x
    x = 50,189,949,824.39/252,778.84
  6. Step 6: Final answer
    x = 198,552.81

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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.