Home / 403,400.82-556,672.44-222,077.76

Finding the Fourth Proportional to 403,400.82, 556,672.44 and 222,077.76

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Solution

The fourth proportional to 403,400.82, 556,672.44 and 222,077.76 is: 306,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,400.82 : 556,672.44 = 222,077.76 : x
  2. Step 2: Convert to fraction form
    403,400.82/556,672.44 = 222,077.76/x
  3. Step 3: Cross multiply
    403,400.82x = 556,672.44 × 222,077.76
  4. Step 4: Simplify right side
    403,400.82x = 123,624,568,528.93
  5. Step 5: Solve for x
    x = 123,624,568,528.93/403,400.82
  6. Step 6: Final answer
    x = 306,455.92

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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.