Home / 220,087.80-303,177.06-187,716.96

Finding the Fourth Proportional to 220,087.80, 303,177.06 and 187,716.96

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Solution

The fourth proportional to 220,087.80, 303,177.06 and 187,716.96 is: 258,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,087.80 : 303,177.06 = 187,716.96 : x
  2. Step 2: Convert to fraction form
    220,087.80/303,177.06 = 187,716.96/x
  3. Step 3: Cross multiply
    220,087.80x = 303,177.06 × 187,716.96
  4. Step 4: Simplify right side
    220,087.80x = 56,911,476,044.94
  5. Step 5: Solve for x
    x = 56,911,476,044.94/220,087.80
  6. Step 6: Final answer
    x = 258,585.33

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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.