Home / 213,473.90-320,217.33-73,230.50

Finding the Fourth Proportional to 213,473.90, 320,217.33 and 73,230.50

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Solution

The fourth proportional to 213,473.90, 320,217.33 and 73,230.50 is: 109,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,473.90 : 320,217.33 = 73,230.50 : x
  2. Step 2: Convert to fraction form
    213,473.90/320,217.33 = 73,230.50/x
  3. Step 3: Cross multiply
    213,473.90x = 320,217.33 × 73,230.50
  4. Step 4: Simplify right side
    213,473.90x = 23,449,675,184.57
  5. Step 5: Solve for x
    x = 23,449,675,184.57/213,473.90
  6. Step 6: Final answer
    x = 109,847.97

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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.