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Finding the Fourth Proportional to 240,600.71, 332,036.82 and 138,618.17

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Solution

The fourth proportional to 240,600.71, 332,036.82 and 138,618.17 is: 191,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,600.71 : 332,036.82 = 138,618.17 : x
  2. Step 2: Convert to fraction form
    240,600.71/332,036.82 = 138,618.17/x
  3. Step 3: Cross multiply
    240,600.71x = 332,036.82 × 138,618.17
  4. Step 4: Simplify right side
    240,600.71x = 46,026,335,945.97
  5. Step 5: Solve for x
    x = 46,026,335,945.97/240,600.71
  6. Step 6: Final answer
    x = 191,297.59

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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.