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Finding the Fourth Proportional to 373,595, 515,561.10 and 239,459

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Solution

The fourth proportional to 373,595, 515,561.10 and 239,459 is: 330,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,595 : 515,561.10 = 239,459 : x
  2. Step 2: Convert to fraction form
    373,595/515,561.10 = 239,459/x
  3. Step 3: Cross multiply
    373,595x = 515,561.10 × 239,459
  4. Step 4: Simplify right side
    373,595x = 123,455,745,444.90
  5. Step 5: Solve for x
    x = 123,455,745,444.90/373,595
  6. Step 6: Final answer
    x = 330,453.42

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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.