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Finding the Fourth Proportional to 247,794.36, 371,748.86 and 87,861.82

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Solution

The fourth proportional to 247,794.36, 371,748.86 and 87,861.82 is: 131,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,794.36 : 371,748.86 = 87,861.82 : x
  2. Step 2: Convert to fraction form
    247,794.36/371,748.86 = 87,861.82/x
  3. Step 3: Cross multiply
    247,794.36x = 371,748.86 × 87,861.82
  4. Step 4: Simplify right side
    247,794.36x = 32,662,531,422.53
  5. Step 5: Solve for x
    x = 32,662,531,422.53/247,794.36
  6. Step 6: Final answer
    x = 131,813.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.