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Finding the Fourth Proportional to 247,853.64, 342,069.02 and 140,458.27

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Solution

The fourth proportional to 247,853.64, 342,069.02 and 140,458.27 is: 193,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,853.64 : 342,069.02 = 140,458.27 : x
  2. Step 2: Convert to fraction form
    247,853.64/342,069.02 = 140,458.27/x
  3. Step 3: Cross multiply
    247,853.64x = 342,069.02 × 140,458.27
  4. Step 4: Simplify right side
    247,853.64x = 48,046,421,739.05
  5. Step 5: Solve for x
    x = 48,046,421,739.05/247,853.64
  6. Step 6: Final answer
    x = 193,849.98

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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.