Home / 226,475.78-339,704.80-76,716.07

Finding the Fourth Proportional to 226,475.78, 339,704.80 and 76,716.07

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Solution

The fourth proportional to 226,475.78, 339,704.80 and 76,716.07 is: 115,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,475.78 : 339,704.80 = 76,716.07 : x
  2. Step 2: Convert to fraction form
    226,475.78/339,704.80 = 76,716.07/x
  3. Step 3: Cross multiply
    226,475.78x = 339,704.80 × 76,716.07
  4. Step 4: Simplify right side
    226,475.78x = 26,060,817,216.14
  5. Step 5: Solve for x
    x = 26,060,817,216.14/226,475.78
  6. Step 6: Final answer
    x = 115,071.10

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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.