Home / 401,770.24-554,449.79-220,499.02

Finding the Fourth Proportional to 401,770.24, 554,449.79 and 220,499.02

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Solution

The fourth proportional to 401,770.24, 554,449.79 and 220,499.02 is: 304,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,770.24 : 554,449.79 = 220,499.02 : x
  2. Step 2: Convert to fraction form
    401,770.24/554,449.79 = 220,499.02/x
  3. Step 3: Cross multiply
    401,770.24x = 554,449.79 × 220,499.02
  4. Step 4: Simplify right side
    401,770.24x = 122,255,636,578.52
  5. Step 5: Solve for x
    x = 122,255,636,578.52/401,770.24
  6. Step 6: Final answer
    x = 304,292.42

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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.