Home / 853,041.92-1,279,566.48-221,910.16

Finding the Fourth Proportional to 853,041.92, 1,279,566.48 and 221,910.16

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Solution

The fourth proportional to 853,041.92, 1,279,566.48 and 221,910.16 is: 332,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,041.92 : 1,279,566.48 = 221,910.16 : x
  2. Step 2: Convert to fraction form
    853,041.92/1,279,566.48 = 221,910.16/x
  3. Step 3: Cross multiply
    853,041.92x = 1,279,566.48 × 221,910.16
  4. Step 4: Simplify right side
    853,041.92x = 283,948,802,307.44
  5. Step 5: Solve for x
    x = 283,948,802,307.44/853,041.92
  6. Step 6: Final answer
    x = 332,866.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.