Home / 382,015.32-527,177.34-212,245.80

Finding the Fourth Proportional to 382,015.32, 527,177.34 and 212,245.80

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Solution

The fourth proportional to 382,015.32, 527,177.34 and 212,245.80 is: 292,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,015.32 : 527,177.34 = 212,245.80 : x
  2. Step 2: Convert to fraction form
    382,015.32/527,177.34 = 212,245.80/x
  3. Step 3: Cross multiply
    382,015.32x = 527,177.34 × 212,245.80
  4. Step 4: Simplify right side
    382,015.32x = 111,891,176,270.17
  5. Step 5: Solve for x
    x = 111,891,176,270.17/382,015.32
  6. Step 6: Final answer
    x = 292,897.09

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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.