Home / 644,215.35-966,321.99-164,443.11

Finding the Fourth Proportional to 644,215.35, 966,321.99 and 164,443.11

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Solution

The fourth proportional to 644,215.35, 966,321.99 and 164,443.11 is: 246,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,215.35 : 966,321.99 = 164,443.11 : x
  2. Step 2: Convert to fraction form
    644,215.35/966,321.99 = 164,443.11/x
  3. Step 3: Cross multiply
    644,215.35x = 966,321.99 × 164,443.11
  4. Step 4: Simplify right side
    644,215.35x = 158,904,993,296.99
  5. Step 5: Solve for x
    x = 158,904,993,296.99/644,215.35
  6. Step 6: Final answer
    x = 246,664.40

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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.