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Finding the Fourth Proportional to 247,662.60, 371,416.10 and 105,506.38

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Solution

The fourth proportional to 247,662.60, 371,416.10 and 105,506.38 is: 158,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,662.60 : 371,416.10 = 105,506.38 : x
  2. Step 2: Convert to fraction form
    247,662.60/371,416.10 = 105,506.38/x
  3. Step 3: Cross multiply
    247,662.60x = 371,416.10 × 105,506.38
  4. Step 4: Simplify right side
    247,662.60x = 39,186,768,184.72
  5. Step 5: Solve for x
    x = 39,186,768,184.72/247,662.60
  6. Step 6: Final answer
    x = 158,226.43

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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.