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Finding the Fourth Proportional to 247,833.34, 342,003.56 and 140,400.61

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Solution

The fourth proportional to 247,833.34, 342,003.56 and 140,400.61 is: 193,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,833.34 : 342,003.56 = 140,400.61 : x
  2. Step 2: Convert to fraction form
    247,833.34/342,003.56 = 140,400.61/x
  3. Step 3: Cross multiply
    247,833.34x = 342,003.56 × 140,400.61
  4. Step 4: Simplify right side
    247,833.34x = 48,017,507,744.17
  5. Step 5: Solve for x
    x = 48,017,507,744.17/247,833.34
  6. Step 6: Final answer
    x = 193,749.19

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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.