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Finding the Fourth Proportional to 247,006, 341,110.50 and 210,986.11

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Solution

The fourth proportional to 247,006, 341,110.50 and 210,986.11 is: 291,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,006 : 341,110.50 = 210,986.11 : x
  2. Step 2: Convert to fraction form
    247,006/341,110.50 = 210,986.11/x
  3. Step 3: Cross multiply
    247,006x = 341,110.50 × 210,986.11
  4. Step 4: Simplify right side
    247,006x = 71,969,577,475.16
  5. Step 5: Solve for x
    x = 71,969,577,475.16/247,006
  6. Step 6: Final answer
    x = 291,367.73

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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.