Home / 382,014.72-527,193.60-212,256

Finding the Fourth Proportional to 382,014.72, 527,193.60 and 212,256

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Solution

The fourth proportional to 382,014.72, 527,193.60 and 212,256 is: 292,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,014.72 : 527,193.60 = 212,256 : x
  2. Step 2: Convert to fraction form
    382,014.72/527,193.60 = 212,256/x
  3. Step 3: Cross multiply
    382,014.72x = 527,193.60 × 212,256
  4. Step 4: Simplify right side
    382,014.72x = 111,900,004,761.60
  5. Step 5: Solve for x
    x = 111,900,004,761.60/382,014.72
  6. Step 6: Final answer
    x = 292,920.66

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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.