Home / 373,723.56-515,731.32-203,958.90

Finding the Fourth Proportional to 373,723.56, 515,731.32 and 203,958.90

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Solution

The fourth proportional to 373,723.56, 515,731.32 and 203,958.90 is: 281,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,723.56 : 515,731.32 = 203,958.90 : x
  2. Step 2: Convert to fraction form
    373,723.56/515,731.32 = 203,958.90/x
  3. Step 3: Cross multiply
    373,723.56x = 515,731.32 × 203,958.90
  4. Step 4: Simplify right side
    373,723.56x = 105,187,992,722.75
  5. Step 5: Solve for x
    x = 105,187,992,722.75/373,723.56
  6. Step 6: Final answer
    x = 281,459.36

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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.