Home / 281,327.37-422,028.12-91,721.16

Finding the Fourth Proportional to 281,327.37, 422,028.12 and 91,721.16

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Solution

The fourth proportional to 281,327.37, 422,028.12 and 91,721.16 is: 137,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,327.37 : 422,028.12 = 91,721.16 : x
  2. Step 2: Convert to fraction form
    281,327.37/422,028.12 = 91,721.16/x
  3. Step 3: Cross multiply
    281,327.37x = 422,028.12 × 91,721.16
  4. Step 4: Simplify right side
    281,327.37x = 38,708,908,719.02
  5. Step 5: Solve for x
    x = 38,708,908,719.02/281,327.37
  6. Step 6: Final answer
    x = 137,593.82

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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.