Home / 219,770.10-329,849.55-188,277.30

Finding the Fourth Proportional to 219,770.10, 329,849.55 and 188,277.30

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Solution

The fourth proportional to 219,770.10, 329,849.55 and 188,277.30 is: 282,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,770.10 : 329,849.55 = 188,277.30 : x
  2. Step 2: Convert to fraction form
    219,770.10/329,849.55 = 188,277.30/x
  3. Step 3: Cross multiply
    219,770.10x = 329,849.55 × 188,277.30
  4. Step 4: Simplify right side
    219,770.10x = 62,103,182,680.22
  5. Step 5: Solve for x
    x = 62,103,182,680.22/219,770.10
  6. Step 6: Final answer
    x = 282,582.49

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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.