Home / 226,151.25-339,382.41-78,407.25

Finding the Fourth Proportional to 226,151.25, 339,382.41 and 78,407.25

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Solution

The fourth proportional to 226,151.25, 339,382.41 and 78,407.25 is: 117,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,151.25 : 339,382.41 = 78,407.25 : x
  2. Step 2: Convert to fraction form
    226,151.25/339,382.41 = 78,407.25/x
  3. Step 3: Cross multiply
    226,151.25x = 339,382.41 × 78,407.25
  4. Step 4: Simplify right side
    226,151.25x = 26,610,041,466.47
  5. Step 5: Solve for x
    x = 26,610,041,466.47/226,151.25
  6. Step 6: Final answer
    x = 117,664.80

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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.