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Finding the Fourth Proportional to 226,866.80, 313,041.13 and 131,355.04

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Solution

The fourth proportional to 226,866.80, 313,041.13 and 131,355.04 is: 181,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,866.80 : 313,041.13 = 131,355.04 : x
  2. Step 2: Convert to fraction form
    226,866.80/313,041.13 = 131,355.04/x
  3. Step 3: Cross multiply
    226,866.80x = 313,041.13 × 131,355.04
  4. Step 4: Simplify right side
    226,866.80x = 41,119,530,152.80
  5. Step 5: Solve for x
    x = 41,119,530,152.80/226,866.80
  6. Step 6: Final answer
    x = 181,249.66

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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.