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Finding the Fourth Proportional to 247,468.96, 341,832.72 and 189,758.08

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Solution

The fourth proportional to 247,468.96, 341,832.72 and 189,758.08 is: 262,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,468.96 : 341,832.72 = 189,758.08 : x
  2. Step 2: Convert to fraction form
    247,468.96/341,832.72 = 189,758.08/x
  3. Step 3: Cross multiply
    247,468.96x = 341,832.72 × 189,758.08
  4. Step 4: Simplify right side
    247,468.96x = 64,865,520,628.38
  5. Step 5: Solve for x
    x = 64,865,520,628.38/247,468.96
  6. Step 6: Final answer
    x = 262,115.78

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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.