Home / 247,748.22-341,942.31-147,126.78

Finding the Fourth Proportional to 247,748.22, 341,942.31 and 147,126.78

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Solution

The fourth proportional to 247,748.22, 341,942.31 and 147,126.78 is: 203,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,748.22 : 341,942.31 = 147,126.78 : x
  2. Step 2: Convert to fraction form
    247,748.22/341,942.31 = 147,126.78/x
  3. Step 3: Cross multiply
    247,748.22x = 341,942.31 × 147,126.78
  4. Step 4: Simplify right side
    247,748.22x = 50,308,871,016.06
  5. Step 5: Solve for x
    x = 50,308,871,016.06/247,748.22
  6. Step 6: Final answer
    x = 203,064.51

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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.