Home / 250,449.90-345,620.07-135,731.85

Finding the Fourth Proportional to 250,449.90, 345,620.07 and 135,731.85

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Solution

The fourth proportional to 250,449.90, 345,620.07 and 135,731.85 is: 187,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,449.90 : 345,620.07 = 135,731.85 : x
  2. Step 2: Convert to fraction form
    250,449.90/345,620.07 = 135,731.85/x
  3. Step 3: Cross multiply
    250,449.90x = 345,620.07 × 135,731.85
  4. Step 4: Simplify right side
    250,449.90x = 46,911,651,498.23
  5. Step 5: Solve for x
    x = 46,911,651,498.23/250,449.90
  6. Step 6: Final answer
    x = 187,309.52

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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.