Home / 247,540.26-340,993.35-211,122.66

Finding the Fourth Proportional to 247,540.26, 340,993.35 and 211,122.66

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Solution

The fourth proportional to 247,540.26, 340,993.35 and 211,122.66 is: 290,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,540.26 : 340,993.35 = 211,122.66 : x
  2. Step 2: Convert to fraction form
    247,540.26/340,993.35 = 211,122.66/x
  3. Step 3: Cross multiply
    247,540.26x = 340,993.35 × 211,122.66
  4. Step 4: Simplify right side
    247,540.26x = 71,991,423,094.31
  5. Step 5: Solve for x
    x = 71,991,423,094.31/247,540.26
  6. Step 6: Final answer
    x = 290,827.13

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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.