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Finding the Fourth Proportional to 247,278.62, 371,147.57 and 97,622.21

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Solution

The fourth proportional to 247,278.62, 371,147.57 and 97,622.21 is: 146,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,278.62 : 371,147.57 = 97,622.21 : x
  2. Step 2: Convert to fraction form
    247,278.62/371,147.57 = 97,622.21/x
  3. Step 3: Cross multiply
    247,278.62x = 371,147.57 × 97,622.21
  4. Step 4: Simplify right side
    247,278.62x = 36,232,246,825.37
  5. Step 5: Solve for x
    x = 36,232,246,825.37/247,278.62
  6. Step 6: Final answer
    x = 146,523.98

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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.