Home / 401,868.27-554,576.25-220,583.28

Finding the Fourth Proportional to 401,868.27, 554,576.25 and 220,583.28

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Solution

The fourth proportional to 401,868.27, 554,576.25 and 220,583.28 is: 304,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,868.27 : 554,576.25 = 220,583.28 : x
  2. Step 2: Convert to fraction form
    401,868.27/554,576.25 = 220,583.28/x
  3. Step 3: Cross multiply
    401,868.27x = 554,576.25 × 220,583.28
  4. Step 4: Simplify right side
    401,868.27x = 122,330,251,141.95
  5. Step 5: Solve for x
    x = 122,330,251,141.95/401,868.27
  6. Step 6: Final answer
    x = 304,403.86

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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.