Home / 379,255.76-523,339.08-218,067.92

Finding the Fourth Proportional to 379,255.76, 523,339.08 and 218,067.92

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Solution

The fourth proportional to 379,255.76, 523,339.08 and 218,067.92 is: 300,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,255.76 : 523,339.08 = 218,067.92 : x
  2. Step 2: Convert to fraction form
    379,255.76/523,339.08 = 218,067.92/x
  3. Step 3: Cross multiply
    379,255.76x = 523,339.08 × 218,067.92
  4. Step 4: Simplify right side
    379,255.76x = 114,123,464,630.31
  5. Step 5: Solve for x
    x = 114,123,464,630.31/379,255.76
  6. Step 6: Final answer
    x = 300,914.26

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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.