Home / 281,914.77-422,828.40-82,214.34

Finding the Fourth Proportional to 281,914.77, 422,828.40 and 82,214.34

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Solution

The fourth proportional to 281,914.77, 422,828.40 and 82,214.34 is: 123,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,914.77 : 422,828.40 = 82,214.34 : x
  2. Step 2: Convert to fraction form
    281,914.77/422,828.40 = 82,214.34/x
  3. Step 3: Cross multiply
    281,914.77x = 422,828.40 × 82,214.34
  4. Step 4: Simplify right side
    281,914.77x = 34,762,557,839.26
  5. Step 5: Solve for x
    x = 34,762,557,839.26/281,914.77
  6. Step 6: Final answer
    x = 123,308.75

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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.