Home / 310,240.36-465,305.10-82,537.21

Finding the Fourth Proportional to 310,240.36, 465,305.10 and 82,537.21

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Solution

The fourth proportional to 310,240.36, 465,305.10 and 82,537.21 is: 123,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,240.36 : 465,305.10 = 82,537.21 : x
  2. Step 2: Convert to fraction form
    310,240.36/465,305.10 = 82,537.21/x
  3. Step 3: Cross multiply
    310,240.36x = 465,305.10 × 82,537.21
  4. Step 4: Simplify right side
    310,240.36x = 38,404,983,589.51
  5. Step 5: Solve for x
    x = 38,404,983,589.51/310,240.36
  6. Step 6: Final answer
    x = 123,791.06

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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.