Home / 226,413.05-339,680.84-76,653.36

Finding the Fourth Proportional to 226,413.05, 339,680.84 and 76,653.36

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Solution

The fourth proportional to 226,413.05, 339,680.84 and 76,653.36 is: 115,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,413.05 : 339,680.84 = 76,653.36 : x
  2. Step 2: Convert to fraction form
    226,413.05/339,680.84 = 76,653.36/x
  3. Step 3: Cross multiply
    226,413.05x = 339,680.84 × 76,653.36
  4. Step 4: Simplify right side
    226,413.05x = 26,037,677,330.36
  5. Step 5: Solve for x
    x = 26,037,677,330.36/226,413.05
  6. Step 6: Final answer
    x = 115,000.78

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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.