Home / 403,357.05-556,611.57-222,033.55

Finding the Fourth Proportional to 403,357.05, 556,611.57 and 222,033.55

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Solution

The fourth proportional to 403,357.05, 556,611.57 and 222,033.55 is: 306,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,357.05 : 556,611.57 = 222,033.55 : x
  2. Step 2: Convert to fraction form
    403,357.05/556,611.57 = 222,033.55/x
  3. Step 3: Cross multiply
    403,357.05x = 556,611.57 × 222,033.55
  4. Step 4: Simplify right side
    403,357.05x = 123,586,442,858.17
  5. Step 5: Solve for x
    x = 123,586,442,858.17/403,357.05
  6. Step 6: Final answer
    x = 306,394.65

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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.