Home / 219,556.75-302,821.13-188,981.88

Finding the Fourth Proportional to 219,556.75, 302,821.13 and 188,981.88

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Solution

The fourth proportional to 219,556.75, 302,821.13 and 188,981.88 is: 260,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,556.75 : 302,821.13 = 188,981.88 : x
  2. Step 2: Convert to fraction form
    219,556.75/302,821.13 = 188,981.88/x
  3. Step 3: Cross multiply
    219,556.75x = 302,821.13 × 188,981.88
  4. Step 4: Simplify right side
    219,556.75x = 57,227,706,451.12
  5. Step 5: Solve for x
    x = 57,227,706,451.12/219,556.75
  6. Step 6: Final answer
    x = 260,651.09

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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.