Home / 212,776.43-319,175.58-55,006.25

Finding the Fourth Proportional to 212,776.43, 319,175.58 and 55,006.25

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Solution

The fourth proportional to 212,776.43, 319,175.58 and 55,006.25 is: 82,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,776.43 : 319,175.58 = 55,006.25 : x
  2. Step 2: Convert to fraction form
    212,776.43/319,175.58 = 55,006.25/x
  3. Step 3: Cross multiply
    212,776.43x = 319,175.58 × 55,006.25
  4. Step 4: Simplify right side
    212,776.43x = 17,556,651,747.38
  5. Step 5: Solve for x
    x = 17,556,651,747.38/212,776.43
  6. Step 6: Final answer
    x = 82,512.20

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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.