Home / 261,250.75-392,761.96-208,615.13

Finding the Fourth Proportional to 261,250.75, 392,761.96 and 208,615.13

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Solution

The fourth proportional to 261,250.75, 392,761.96 and 208,615.13 is: 313,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,250.75 : 392,761.96 = 208,615.13 : x
  2. Step 2: Convert to fraction form
    261,250.75/392,761.96 = 208,615.13/x
  3. Step 3: Cross multiply
    261,250.75x = 392,761.96 × 208,615.13
  4. Step 4: Simplify right side
    261,250.75x = 81,936,087,344.45
  5. Step 5: Solve for x
    x = 81,936,087,344.45/261,250.75
  6. Step 6: Final answer
    x = 313,630.06

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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.