Home / 243,399.96-365,057.82-65,865.51

Finding the Fourth Proportional to 243,399.96, 365,057.82 and 65,865.51

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Solution

The fourth proportional to 243,399.96, 365,057.82 and 65,865.51 is: 98,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,399.96 : 365,057.82 = 65,865.51 : x
  2. Step 2: Convert to fraction form
    243,399.96/365,057.82 = 65,865.51/x
  3. Step 3: Cross multiply
    243,399.96x = 365,057.82 × 65,865.51
  4. Step 4: Simplify right side
    243,399.96x = 24,044,719,493.79
  5. Step 5: Solve for x
    x = 24,044,719,493.79/243,399.96
  6. Step 6: Final answer
    x = 98,786.87

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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.