Home / 401,732.24-554,388.96-220,447.20

Finding the Fourth Proportional to 401,732.24, 554,388.96 and 220,447.20

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Solution

The fourth proportional to 401,732.24, 554,388.96 and 220,447.20 is: 304,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,732.24 : 554,388.96 = 220,447.20 : x
  2. Step 2: Convert to fraction form
    401,732.24/554,388.96 = 220,447.20/x
  3. Step 3: Cross multiply
    401,732.24x = 554,388.96 × 220,447.20
  4. Step 4: Simplify right side
    401,732.24x = 122,213,493,942.91
  5. Step 5: Solve for x
    x = 122,213,493,942.91/401,732.24
  6. Step 6: Final answer
    x = 304,216.30

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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.