Home / 240,784.43-332,254.02-138,843.38

Finding the Fourth Proportional to 240,784.43, 332,254.02 and 138,843.38

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Solution

The fourth proportional to 240,784.43, 332,254.02 and 138,843.38 is: 191,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,784.43 : 332,254.02 = 138,843.38 : x
  2. Step 2: Convert to fraction form
    240,784.43/332,254.02 = 138,843.38/x
  3. Step 3: Cross multiply
    240,784.43x = 332,254.02 × 138,843.38
  4. Step 4: Simplify right side
    240,784.43x = 46,131,272,333.13
  5. Step 5: Solve for x
    x = 46,131,272,333.13/240,784.43
  6. Step 6: Final answer
    x = 191,587.44

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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.