Home / 226,931.31-313,207.20-131,437.98

Finding the Fourth Proportional to 226,931.31, 313,207.20 and 131,437.98

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Solution

The fourth proportional to 226,931.31, 313,207.20 and 131,437.98 is: 181,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,931.31 : 313,207.20 = 131,437.98 : x
  2. Step 2: Convert to fraction form
    226,931.31/313,207.20 = 131,437.98/x
  3. Step 3: Cross multiply
    226,931.31x = 313,207.20 × 131,437.98
  4. Step 4: Simplify right side
    226,931.31x = 41,167,321,689.46
  5. Step 5: Solve for x
    x = 41,167,321,689.46/226,931.31
  6. Step 6: Final answer
    x = 181,408.73

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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.