Home / 401,462.27-554,025.03-220,172.61

Finding the Fourth Proportional to 401,462.27, 554,025.03 and 220,172.61

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Solution

The fourth proportional to 401,462.27, 554,025.03 and 220,172.61 is: 303,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,462.27 : 554,025.03 = 220,172.61 : x
  2. Step 2: Convert to fraction form
    401,462.27/554,025.03 = 220,172.61/x
  3. Step 3: Cross multiply
    401,462.27x = 554,025.03 × 220,172.61
  4. Step 4: Simplify right side
    401,462.27x = 121,981,136,860.43
  5. Step 5: Solve for x
    x = 121,981,136,860.43/401,462.27
  6. Step 6: Final answer
    x = 303,842.09

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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.