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Finding the Fourth Proportional to 247,678.70, 341,796.31 and 134,500.64

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Solution

The fourth proportional to 247,678.70, 341,796.31 and 134,500.64 is: 185,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,678.70 : 341,796.31 = 134,500.64 : x
  2. Step 2: Convert to fraction form
    247,678.70/341,796.31 = 134,500.64/x
  3. Step 3: Cross multiply
    247,678.70x = 341,796.31 × 134,500.64
  4. Step 4: Simplify right side
    247,678.70x = 45,971,820,399.41
  5. Step 5: Solve for x
    x = 45,971,820,399.41/247,678.70
  6. Step 6: Final answer
    x = 185,610.72

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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.