Home / 247,863.31-342,023.60-140,410.33

Finding the Fourth Proportional to 247,863.31, 342,023.60 and 140,410.33

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Solution

The fourth proportional to 247,863.31, 342,023.60 and 140,410.33 is: 193,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,863.31 : 342,023.60 = 140,410.33 : x
  2. Step 2: Convert to fraction form
    247,863.31/342,023.60 = 140,410.33/x
  3. Step 3: Cross multiply
    247,863.31x = 342,023.60 × 140,410.33
  4. Step 4: Simplify right side
    247,863.31x = 48,023,646,039.75
  5. Step 5: Solve for x
    x = 48,023,646,039.75/247,863.31
  6. Step 6: Final answer
    x = 193,750.53

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1.5x scale

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.