Home / 404,102.24-606,131.38-123,619.49

Finding the Fourth Proportional to 404,102.24, 606,131.38 and 123,619.49

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Solution

The fourth proportional to 404,102.24, 606,131.38 and 123,619.49 is: 185,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,102.24 : 606,131.38 = 123,619.49 : x
  2. Step 2: Convert to fraction form
    404,102.24/606,131.38 = 123,619.49/x
  3. Step 3: Cross multiply
    404,102.24x = 606,131.38 × 123,619.49
  4. Step 4: Simplify right side
    404,102.24x = 74,929,648,419.84
  5. Step 5: Solve for x
    x = 74,929,648,419.84/404,102.24
  6. Step 6: Final answer
    x = 185,422.50

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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.