Home / 454,629.12-681,805.44-159,072

Finding the Fourth Proportional to 454,629.12, 681,805.44 and 159,072

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Solution

The fourth proportional to 454,629.12, 681,805.44 and 159,072 is: 238,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,629.12 : 681,805.44 = 159,072 : x
  2. Step 2: Convert to fraction form
    454,629.12/681,805.44 = 159,072/x
  3. Step 3: Cross multiply
    454,629.12x = 681,805.44 × 159,072
  4. Step 4: Simplify right side
    454,629.12x = 108,456,154,951.68
  5. Step 5: Solve for x
    x = 108,456,154,951.68/454,629.12
  6. Step 6: Final answer
    x = 238,559.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.