Home / 226,932.31-313,208.58-131,438.98

Finding the Fourth Proportional to 226,932.31, 313,208.58 and 131,438.98

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Solution

The fourth proportional to 226,932.31, 313,208.58 and 131,438.98 is: 181,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,932.31 : 313,208.58 = 131,438.98 : x
  2. Step 2: Convert to fraction form
    226,932.31/313,208.58 = 131,438.98/x
  3. Step 3: Cross multiply
    226,932.31x = 313,208.58 × 131,438.98
  4. Step 4: Simplify right side
    226,932.31x = 41,167,816,282.45
  5. Step 5: Solve for x
    x = 41,167,816,282.45/226,932.31
  6. Step 6: Final answer
    x = 181,410.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.