Home / 269,087.36-403,616-82,084.16

Finding the Fourth Proportional to 269,087.36, 403,616 and 82,084.16

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Solution

The fourth proportional to 269,087.36, 403,616 and 82,084.16 is: 123,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,087.36 : 403,616 = 82,084.16 : x
  2. Step 2: Convert to fraction form
    269,087.36/403,616 = 82,084.16/x
  3. Step 3: Cross multiply
    269,087.36x = 403,616 × 82,084.16
  4. Step 4: Simplify right side
    269,087.36x = 33,130,480,322.56
  5. Step 5: Solve for x
    x = 33,130,480,322.56/269,087.36
  6. Step 6: Final answer
    x = 123,121.65

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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.