Home / 345,556.38-517,662.06-195,342.29

Finding the Fourth Proportional to 345,556.38, 517,662.06 and 195,342.29

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Solution

The fourth proportional to 345,556.38, 517,662.06 and 195,342.29 is: 292,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,556.38 : 517,662.06 = 195,342.29 : x
  2. Step 2: Convert to fraction form
    345,556.38/517,662.06 = 195,342.29/x
  3. Step 3: Cross multiply
    345,556.38x = 517,662.06 × 195,342.29
  4. Step 4: Simplify right side
    345,556.38x = 101,121,292,246.52
  5. Step 5: Solve for x
    x = 101,121,292,246.52/345,556.38
  6. Step 6: Final answer
    x = 292,633.27

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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.