Home / 240,345.82-331,668.53-131,446.43

Finding the Fourth Proportional to 240,345.82, 331,668.53 and 131,446.43

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Solution

The fourth proportional to 240,345.82, 331,668.53 and 131,446.43 is: 181,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,345.82 : 331,668.53 = 131,446.43 : x
  2. Step 2: Convert to fraction form
    240,345.82/331,668.53 = 131,446.43/x
  3. Step 3: Cross multiply
    240,345.82x = 331,668.53 × 131,446.43
  4. Step 4: Simplify right side
    240,345.82x = 43,596,645,369.64
  5. Step 5: Solve for x
    x = 43,596,645,369.64/240,345.82
  6. Step 6: Final answer
    x = 181,391.32

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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.