Home / 226,147.50-339,376.77-78,403.50

Finding the Fourth Proportional to 226,147.50, 339,376.77 and 78,403.50

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Solution

The fourth proportional to 226,147.50, 339,376.77 and 78,403.50 is: 117,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,147.50 : 339,376.77 = 78,403.50 : x
  2. Step 2: Convert to fraction form
    226,147.50/339,376.77 = 78,403.50/x
  3. Step 3: Cross multiply
    226,147.50x = 339,376.77 × 78,403.50
  4. Step 4: Simplify right side
    226,147.50x = 26,608,326,586.70
  5. Step 5: Solve for x
    x = 26,608,326,586.70/226,147.50
  6. Step 6: Final answer
    x = 117,659.17

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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.