Home / 644,212.65-966,317.92-164,440.38

Finding the Fourth Proportional to 644,212.65, 966,317.92 and 164,440.38

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Solution

The fourth proportional to 644,212.65, 966,317.92 and 164,440.38 is: 246,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,212.65 : 966,317.92 = 164,440.38 : x
  2. Step 2: Convert to fraction form
    644,212.65/966,317.92 = 164,440.38/x
  3. Step 3: Cross multiply
    644,212.65x = 966,317.92 × 164,440.38
  4. Step 4: Simplify right side
    644,212.65x = 158,901,690,103.18
  5. Step 5: Solve for x
    x = 158,901,690,103.18/644,212.65
  6. Step 6: Final answer
    x = 246,660.31

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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.