Home / 240,021.78-331,242.39-132,590.94

Finding the Fourth Proportional to 240,021.78, 331,242.39 and 132,590.94

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Solution

The fourth proportional to 240,021.78, 331,242.39 and 132,590.94 is: 182,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,021.78 : 331,242.39 = 132,590.94 : x
  2. Step 2: Convert to fraction form
    240,021.78/331,242.39 = 132,590.94/x
  3. Step 3: Cross multiply
    240,021.78x = 331,242.39 × 132,590.94
  4. Step 4: Simplify right side
    240,021.78x = 43,919,739,857.95
  5. Step 5: Solve for x
    x = 43,919,739,857.95/240,021.78
  6. Step 6: Final answer
    x = 182,982.31

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1.5x scale

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.