Home / 247,027.26-340,858.88-143,684.34

Finding the Fourth Proportional to 247,027.26, 340,858.88 and 143,684.34

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Solution

The fourth proportional to 247,027.26, 340,858.88 and 143,684.34 is: 198,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,027.26 : 340,858.88 = 143,684.34 : x
  2. Step 2: Convert to fraction form
    247,027.26/340,858.88 = 143,684.34/x
  3. Step 3: Cross multiply
    247,027.26x = 340,858.88 × 143,684.34
  4. Step 4: Simplify right side
    247,027.26x = 48,976,083,205.94
  5. Step 5: Solve for x
    x = 48,976,083,205.94/247,027.26
  6. Step 6: Final answer
    x = 198,261.86

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1.5x scale

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.