Home / 205,223.10-307,834.65-192,003.90

Finding the Fourth Proportional to 205,223.10, 307,834.65 and 192,003.90

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Solution

The fourth proportional to 205,223.10, 307,834.65 and 192,003.90 is: 288,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,223.10 : 307,834.65 = 192,003.90 : x
  2. Step 2: Convert to fraction form
    205,223.10/307,834.65 = 192,003.90/x
  3. Step 3: Cross multiply
    205,223.10x = 307,834.65 × 192,003.90
  4. Step 4: Simplify right side
    205,223.10x = 59,105,453,355.14
  5. Step 5: Solve for x
    x = 59,105,453,355.14/205,223.10
  6. Step 6: Final answer
    x = 288,005.85

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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.