Home / 240,204.08-331,514.57-138,227.45

Finding the Fourth Proportional to 240,204.08, 331,514.57 and 138,227.45

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Solution

The fourth proportional to 240,204.08, 331,514.57 and 138,227.45 is: 190,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,204.08 : 331,514.57 = 138,227.45 : x
  2. Step 2: Convert to fraction form
    240,204.08/331,514.57 = 138,227.45/x
  3. Step 3: Cross multiply
    240,204.08x = 331,514.57 × 138,227.45
  4. Step 4: Simplify right side
    240,204.08x = 45,824,412,336.94
  5. Step 5: Solve for x
    x = 45,824,412,336.94/240,204.08
  6. Step 6: Final answer
    x = 190,772.83

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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.