Home / 213,529.59-320,290.34-63,770.31

Finding the Fourth Proportional to 213,529.59, 320,290.34 and 63,770.31

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Solution

The fourth proportional to 213,529.59, 320,290.34 and 63,770.31 is: 95,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,529.59 : 320,290.34 = 63,770.31 : x
  2. Step 2: Convert to fraction form
    213,529.59/320,290.34 = 63,770.31/x
  3. Step 3: Cross multiply
    213,529.59x = 320,290.34 × 63,770.31
  4. Step 4: Simplify right side
    213,529.59x = 20,425,013,952.95
  5. Step 5: Solve for x
    x = 20,425,013,952.95/213,529.59
  6. Step 6: Final answer
    x = 95,654.26

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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.