Home / 379,431.37-523,645.06-216,094.75

Finding the Fourth Proportional to 379,431.37, 523,645.06 and 216,094.75

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Solution

The fourth proportional to 379,431.37, 523,645.06 and 216,094.75 is: 298,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,431.37 : 523,645.06 = 216,094.75 : x
  2. Step 2: Convert to fraction form
    379,431.37/523,645.06 = 216,094.75/x
  3. Step 3: Cross multiply
    379,431.37x = 523,645.06 × 216,094.75
  4. Step 4: Simplify right side
    379,431.37x = 113,156,946,480.09
  5. Step 5: Solve for x
    x = 113,156,946,480.09/379,431.37
  6. Step 6: Final answer
    x = 298,227.71

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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.