Home / 379,310.60-523,427.63-218,168.37

Finding the Fourth Proportional to 379,310.60, 523,427.63 and 218,168.37

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Solution

The fourth proportional to 379,310.60, 523,427.63 and 218,168.37 is: 301,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,310.60 : 523,427.63 = 218,168.37 : x
  2. Step 2: Convert to fraction form
    379,310.60/523,427.63 = 218,168.37/x
  3. Step 3: Cross multiply
    379,310.60x = 523,427.63 × 218,168.37
  4. Step 4: Simplify right side
    379,310.60x = 114,195,351,759.22
  5. Step 5: Solve for x
    x = 114,195,351,759.22/379,310.60
  6. Step 6: Final answer
    x = 301,060.27

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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.