Home / 379,118.27-523,183.30-209,352.26

Finding the Fourth Proportional to 379,118.27, 523,183.30 and 209,352.26

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Solution

The fourth proportional to 379,118.27, 523,183.30 and 209,352.26 is: 288,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,118.27 : 523,183.30 = 209,352.26 : x
  2. Step 2: Convert to fraction form
    379,118.27/523,183.30 = 209,352.26/x
  3. Step 3: Cross multiply
    379,118.27x = 523,183.30 × 209,352.26
  4. Step 4: Simplify right side
    379,118.27x = 109,529,606,249.26
  5. Step 5: Solve for x
    x = 109,529,606,249.26/379,118.27
  6. Step 6: Final answer
    x = 288,906.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.