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Finding the Fourth Proportional to 247,348.80, 371,120.40 and 97,563.60

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Solution

The fourth proportional to 247,348.80, 371,120.40 and 97,563.60 is: 146,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,348.80 : 371,120.40 = 97,563.60 : x
  2. Step 2: Convert to fraction form
    247,348.80/371,120.40 = 97,563.60/x
  3. Step 3: Cross multiply
    247,348.80x = 371,120.40 × 97,563.60
  4. Step 4: Simplify right side
    247,348.80x = 36,207,842,257.44
  5. Step 5: Solve for x
    x = 36,207,842,257.44/247,348.80
  6. Step 6: Final answer
    x = 146,383.74

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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.