Home / 245,849.70-338,558.46-213,569.58

Finding the Fourth Proportional to 245,849.70, 338,558.46 and 213,569.58

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Solution

The fourth proportional to 245,849.70, 338,558.46 and 213,569.58 is: 294,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,849.70 : 338,558.46 = 213,569.58 : x
  2. Step 2: Convert to fraction form
    245,849.70/338,558.46 = 213,569.58/x
  3. Step 3: Cross multiply
    245,849.70x = 338,558.46 × 213,569.58
  4. Step 4: Simplify right side
    245,849.70x = 72,305,788,107.65
  5. Step 5: Solve for x
    x = 72,305,788,107.65/245,849.70
  6. Step 6: Final answer
    x = 294,105.66

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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.