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Finding the Fourth Proportional to 538,190.08, 807,314.56 and 218,294.44

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Solution

The fourth proportional to 538,190.08, 807,314.56 and 218,294.44 is: 327,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,190.08 : 807,314.56 = 218,294.44 : x
  2. Step 2: Convert to fraction form
    538,190.08/807,314.56 = 218,294.44/x
  3. Step 3: Cross multiply
    538,190.08x = 807,314.56 × 218,294.44
  4. Step 4: Simplify right side
    538,190.08x = 176,232,279,779.05
  5. Step 5: Solve for x
    x = 176,232,279,779.05/538,190.08
  6. Step 6: Final answer
    x = 327,453.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.