Home / 403,428.14-556,734.97-222,156.93

Finding the Fourth Proportional to 403,428.14, 556,734.97 and 222,156.93

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Solution

The fourth proportional to 403,428.14, 556,734.97 and 222,156.93 is: 306,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,428.14 : 556,734.97 = 222,156.93 : x
  2. Step 2: Convert to fraction form
    403,428.14/556,734.97 = 222,156.93/x
  3. Step 3: Cross multiply
    403,428.14x = 556,734.97 × 222,156.93
  4. Step 4: Simplify right side
    403,428.14x = 123,682,530,992.66
  5. Step 5: Solve for x
    x = 123,682,530,992.66/403,428.14
  6. Step 6: Final answer
    x = 306,578.84

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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.