Home / 286,868.04-395,872.26-159,540.90

Finding the Fourth Proportional to 286,868.04, 395,872.26 and 159,540.90

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Solution

The fourth proportional to 286,868.04, 395,872.26 and 159,540.90 is: 220,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,868.04 : 395,872.26 = 159,540.90 : x
  2. Step 2: Convert to fraction form
    286,868.04/395,872.26 = 159,540.90/x
  3. Step 3: Cross multiply
    286,868.04x = 395,872.26 × 159,540.90
  4. Step 4: Simplify right side
    286,868.04x = 63,157,816,645.43
  5. Step 5: Solve for x
    x = 63,157,816,645.43/286,868.04
  6. Step 6: Final answer
    x = 220,163.31

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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.