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Finding the Fourth Proportional to 247,675.64, 341,793.70 and 140,266.58

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Solution

The fourth proportional to 247,675.64, 341,793.70 and 140,266.58 is: 193,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,675.64 : 341,793.70 = 140,266.58 : x
  2. Step 2: Convert to fraction form
    247,675.64/341,793.70 = 140,266.58/x
  3. Step 3: Cross multiply
    247,675.64x = 341,793.70 × 140,266.58
  4. Step 4: Simplify right side
    247,675.64x = 47,942,233,364.55
  5. Step 5: Solve for x
    x = 47,942,233,364.55/247,675.64
  6. Step 6: Final answer
    x = 193,568.63

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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.