Home / 321,632.24-443,488.77-205,190.28

Finding the Fourth Proportional to 321,632.24, 443,488.77 and 205,190.28

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Solution

The fourth proportional to 321,632.24, 443,488.77 and 205,190.28 is: 282,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,632.24 : 443,488.77 = 205,190.28 : x
  2. Step 2: Convert to fraction form
    321,632.24/443,488.77 = 205,190.28/x
  3. Step 3: Cross multiply
    321,632.24x = 443,488.77 × 205,190.28
  4. Step 4: Simplify right side
    321,632.24x = 90,999,584,893.16
  5. Step 5: Solve for x
    x = 90,999,584,893.16/321,632.24
  6. Step 6: Final answer
    x = 282,930.55

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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.