Home / 231,859.26-321,602.75-225,713.79

Finding the Fourth Proportional to 231,859.26, 321,602.75 and 225,713.79

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Solution

The fourth proportional to 231,859.26, 321,602.75 and 225,713.79 is: 313,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,859.26 : 321,602.75 = 225,713.79 : x
  2. Step 2: Convert to fraction form
    231,859.26/321,602.75 = 225,713.79/x
  3. Step 3: Cross multiply
    231,859.26x = 321,602.75 × 225,713.79
  4. Step 4: Simplify right side
    231,859.26x = 72,590,174,448.35
  5. Step 5: Solve for x
    x = 72,590,174,448.35/231,859.26
  6. Step 6: Final answer
    x = 313,078.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.