Home / 401,269.41-553,751.71-219,982.61

Finding the Fourth Proportional to 401,269.41, 553,751.71 and 219,982.61

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Solution

The fourth proportional to 401,269.41, 553,751.71 and 219,982.61 is: 303,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,269.41 : 553,751.71 = 219,982.61 : x
  2. Step 2: Convert to fraction form
    401,269.41/553,751.71 = 219,982.61/x
  3. Step 3: Cross multiply
    401,269.41x = 553,751.71 × 219,982.61
  4. Step 4: Simplify right side
    401,269.41x = 121,815,745,357.85
  5. Step 5: Solve for x
    x = 121,815,745,357.85/401,269.41
  6. Step 6: Final answer
    x = 303,575.96

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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.