Home / 261,247.75-392,757.46-208,612.13

Finding the Fourth Proportional to 261,247.75, 392,757.46 and 208,612.13

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Solution

The fourth proportional to 261,247.75, 392,757.46 and 208,612.13 is: 313,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,247.75 : 392,757.46 = 208,612.13 : x
  2. Step 2: Convert to fraction form
    261,247.75/392,757.46 = 208,612.13/x
  3. Step 3: Cross multiply
    261,247.75x = 392,757.46 × 208,612.13
  4. Step 4: Simplify right side
    261,247.75x = 81,933,967,818.67
  5. Step 5: Solve for x
    x = 81,933,967,818.67/261,247.75
  6. Step 6: Final answer
    x = 313,625.55

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1.5x scale

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.