Home / 379,110.72-523,169.52-209,334.24

Finding the Fourth Proportional to 379,110.72, 523,169.52 and 209,334.24

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Solution

The fourth proportional to 379,110.72, 523,169.52 and 209,334.24 is: 288,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,110.72 : 523,169.52 = 209,334.24 : x
  2. Step 2: Convert to fraction form
    379,110.72/523,169.52 = 209,334.24/x
  3. Step 3: Cross multiply
    379,110.72x = 523,169.52 × 209,334.24
  4. Step 4: Simplify right side
    379,110.72x = 109,517,293,860.37
  5. Step 5: Solve for x
    x = 109,517,293,860.37/379,110.72
  6. Step 6: Final answer
    x = 288,879.44

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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.