Home / 644,213.65-966,319.42-164,441.38

Finding the Fourth Proportional to 644,213.65, 966,319.42 and 164,441.38

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Solution

The fourth proportional to 644,213.65, 966,319.42 and 164,441.38 is: 246,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,213.65 : 966,319.42 = 164,441.38 : x
  2. Step 2: Convert to fraction form
    644,213.65/966,319.42 = 164,441.38/x
  3. Step 3: Cross multiply
    644,213.65x = 966,319.42 × 164,441.38
  4. Step 4: Simplify right side
    644,213.65x = 158,902,898,945.60
  5. Step 5: Solve for x
    x = 158,902,898,945.60/644,213.65
  6. Step 6: Final answer
    x = 246,661.80

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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.