Home / 205,021.08-307,496.57-55,226.34

Finding the Fourth Proportional to 205,021.08, 307,496.57 and 55,226.34

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Solution

The fourth proportional to 205,021.08, 307,496.57 and 55,226.34 is: 82,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,021.08 : 307,496.57 = 55,226.34 : x
  2. Step 2: Convert to fraction form
    205,021.08/307,496.57 = 55,226.34/x
  3. Step 3: Cross multiply
    205,021.08x = 307,496.57 × 55,226.34
  4. Step 4: Simplify right side
    205,021.08x = 16,981,908,586.17
  5. Step 5: Solve for x
    x = 16,981,908,586.17/205,021.08
  6. Step 6: Final answer
    x = 82,830.06

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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.