Home / 401,832.30-554,534.34-220,540.95

Finding the Fourth Proportional to 401,832.30, 554,534.34 and 220,540.95

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Solution

The fourth proportional to 401,832.30, 554,534.34 and 220,540.95 is: 304,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,832.30 : 554,534.34 = 220,540.95 : x
  2. Step 2: Convert to fraction form
    401,832.30/554,534.34 = 220,540.95/x
  3. Step 3: Cross multiply
    401,832.30x = 554,534.34 × 220,540.95
  4. Step 4: Simplify right side
    401,832.30x = 122,297,530,151.22
  5. Step 5: Solve for x
    x = 122,297,530,151.22/401,832.30
  6. Step 6: Final answer
    x = 304,349.68

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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.