Home / 219,968.92-328,588.70-159,517.54

Finding the Fourth Proportional to 219,968.92, 328,588.70 and 159,517.54

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Solution

The fourth proportional to 219,968.92, 328,588.70 and 159,517.54 is: 238,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,968.92 : 328,588.70 = 159,517.54 : x
  2. Step 2: Convert to fraction form
    219,968.92/328,588.70 = 159,517.54/x
  3. Step 3: Cross multiply
    219,968.92x = 328,588.70 × 159,517.54
  4. Step 4: Simplify right side
    219,968.92x = 52,415,661,095.80
  5. Step 5: Solve for x
    x = 52,415,661,095.80/219,968.92
  6. Step 6: Final answer
    x = 238,286.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.