Home / 644,816.28-967,116.42-171,508.44

Finding the Fourth Proportional to 644,816.28, 967,116.42 and 171,508.44

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Solution

The fourth proportional to 644,816.28, 967,116.42 and 171,508.44 is: 257,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,816.28 : 967,116.42 = 171,508.44 : x
  2. Step 2: Convert to fraction form
    644,816.28/967,116.42 = 171,508.44/x
  3. Step 3: Cross multiply
    644,816.28x = 967,116.42 × 171,508.44
  4. Step 4: Simplify right side
    644,816.28x = 165,868,628,492.59
  5. Step 5: Solve for x
    x = 165,868,628,492.59/644,816.28
  6. Step 6: Final answer
    x = 257,233.93

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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.