Home / 219,107.17-328,754.58-69,359.65

Finding the Fourth Proportional to 219,107.17, 328,754.58 and 69,359.65

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Solution

The fourth proportional to 219,107.17, 328,754.58 and 69,359.65 is: 104,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,107.17 : 328,754.58 = 69,359.65 : x
  2. Step 2: Convert to fraction form
    219,107.17/328,754.58 = 69,359.65/x
  3. Step 3: Cross multiply
    219,107.17x = 328,754.58 × 69,359.65
  4. Step 4: Simplify right side
    219,107.17x = 22,802,302,604.70
  5. Step 5: Solve for x
    x = 22,802,302,604.70/219,107.17
  6. Step 6: Final answer
    x = 104,069.18

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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.