Home / 226,933.31-313,209.96-131,439.98

Finding the Fourth Proportional to 226,933.31, 313,209.96 and 131,439.98

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Solution

The fourth proportional to 226,933.31, 313,209.96 and 131,439.98 is: 181,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,933.31 : 313,209.96 = 131,439.98 : x
  2. Step 2: Convert to fraction form
    226,933.31/313,209.96 = 131,439.98/x
  3. Step 3: Cross multiply
    226,933.31x = 313,209.96 × 131,439.98
  4. Step 4: Simplify right side
    226,933.31x = 41,168,310,878.20
  5. Step 5: Solve for x
    x = 41,168,310,878.20/226,933.31
  6. Step 6: Final answer
    x = 181,411.49

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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.