Home / 215,223.45-322,392.18-126,262.44

Finding the Fourth Proportional to 215,223.45, 322,392.18 and 126,262.44

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Solution

The fourth proportional to 215,223.45, 322,392.18 and 126,262.44 is: 189,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,223.45 : 322,392.18 = 126,262.44 : x
  2. Step 2: Convert to fraction form
    215,223.45/322,392.18 = 126,262.44/x
  3. Step 3: Cross multiply
    215,223.45x = 322,392.18 × 126,262.44
  4. Step 4: Simplify right side
    215,223.45x = 40,706,023,283.72
  5. Step 5: Solve for x
    x = 40,706,023,283.72/215,223.45
  6. Step 6: Final answer
    x = 189,133.77

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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.