Home / 213,631.88-320,371.20-63,844.28

Finding the Fourth Proportional to 213,631.88, 320,371.20 and 63,844.28

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Solution

The fourth proportional to 213,631.88, 320,371.20 and 63,844.28 is: 95,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,631.88 : 320,371.20 = 63,844.28 : x
  2. Step 2: Convert to fraction form
    213,631.88/320,371.20 = 63,844.28/x
  3. Step 3: Cross multiply
    213,631.88x = 320,371.20 × 63,844.28
  4. Step 4: Simplify right side
    213,631.88x = 20,453,868,596.74
  5. Step 5: Solve for x
    x = 20,453,868,596.74/213,631.88
  6. Step 6: Final answer
    x = 95,743.52

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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.