Home / 644,122.98-966,218.28-194,832.39

Finding the Fourth Proportional to 644,122.98, 966,218.28 and 194,832.39

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Solution

The fourth proportional to 644,122.98, 966,218.28 and 194,832.39 is: 292,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,122.98 : 966,218.28 = 194,832.39 : x
  2. Step 2: Convert to fraction form
    644,122.98/966,218.28 = 194,832.39/x
  3. Step 3: Cross multiply
    644,122.98x = 966,218.28 × 194,832.39
  4. Step 4: Simplify right side
    644,122.98x = 188,250,616,754.09
  5. Step 5: Solve for x
    x = 188,250,616,754.09/644,122.98
  6. Step 6: Final answer
    x = 292,258.81

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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.