Home / 150,918.78-226,397.62-45,719.22

Finding the Fourth Proportional to 150,918.78, 226,397.62 and 45,719.22

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Solution

The fourth proportional to 150,918.78, 226,397.62 and 45,719.22 is: 68,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,918.78 : 226,397.62 = 45,719.22 : x
  2. Step 2: Convert to fraction form
    150,918.78/226,397.62 = 45,719.22/x
  3. Step 3: Cross multiply
    150,918.78x = 226,397.62 × 45,719.22
  4. Step 4: Simplify right side
    150,918.78x = 10,350,722,596.26
  5. Step 5: Solve for x
    x = 10,350,722,596.26/150,918.78
  6. Step 6: Final answer
    x = 68,584.72

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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.