Home / 403,317.56-556,568.42-222,028.04

Finding the Fourth Proportional to 403,317.56, 556,568.42 and 222,028.04

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Solution

The fourth proportional to 403,317.56, 556,568.42 and 222,028.04 is: 306,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,317.56 : 556,568.42 = 222,028.04 : x
  2. Step 2: Convert to fraction form
    403,317.56/556,568.42 = 222,028.04/x
  3. Step 3: Cross multiply
    403,317.56x = 556,568.42 × 222,028.04
  4. Step 4: Simplify right side
    403,317.56x = 123,573,795,418.50
  5. Step 5: Solve for x
    x = 123,573,795,418.50/403,317.56
  6. Step 6: Final answer
    x = 306,393.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.