Home / 226,208.76-339,350.40-76,458.12

Finding the Fourth Proportional to 226,208.76, 339,350.40 and 76,458.12

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Solution

The fourth proportional to 226,208.76, 339,350.40 and 76,458.12 is: 114,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,208.76 : 339,350.40 = 76,458.12 : x
  2. Step 2: Convert to fraction form
    226,208.76/339,350.40 = 76,458.12/x
  3. Step 3: Cross multiply
    226,208.76x = 339,350.40 × 76,458.12
  4. Step 4: Simplify right side
    226,208.76x = 25,946,093,605.25
  5. Step 5: Solve for x
    x = 25,946,093,605.25/226,208.76
  6. Step 6: Final answer
    x = 114,699.77

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1.5x scale

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.