Home / 219,115.27-328,692.03-61,344.21

Finding the Fourth Proportional to 219,115.27, 328,692.03 and 61,344.21

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Solution

The fourth proportional to 219,115.27, 328,692.03 and 61,344.21 is: 92,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,115.27 : 328,692.03 = 61,344.21 : x
  2. Step 2: Convert to fraction form
    219,115.27/328,692.03 = 61,344.21/x
  3. Step 3: Cross multiply
    219,115.27x = 328,692.03 × 61,344.21
  4. Step 4: Simplify right side
    219,115.27x = 20,163,352,913.65
  5. Step 5: Solve for x
    x = 20,163,352,913.65/219,115.27
  6. Step 6: Final answer
    x = 92,021.67

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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.