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Finding the Fourth Proportional to 281,459.79, 422,233.42 and 94,515.03

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Solution

The fourth proportional to 281,459.79, 422,233.42 and 94,515.03 is: 141,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,459.79 : 422,233.42 = 94,515.03 : x
  2. Step 2: Convert to fraction form
    281,459.79/422,233.42 = 94,515.03/x
  3. Step 3: Cross multiply
    281,459.79x = 422,233.42 × 94,515.03
  4. Step 4: Simplify right side
    281,459.79x = 39,907,404,653.66
  5. Step 5: Solve for x
    x = 39,907,404,653.66/281,459.79
  6. Step 6: Final answer
    x = 141,787.23

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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.