Home / 285,845.55-394,438.40-165,025.83

Finding the Fourth Proportional to 285,845.55, 394,438.40 and 165,025.83

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Solution

The fourth proportional to 285,845.55, 394,438.40 and 165,025.83 is: 227,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,845.55 : 394,438.40 = 165,025.83 : x
  2. Step 2: Convert to fraction form
    285,845.55/394,438.40 = 165,025.83/x
  3. Step 3: Cross multiply
    285,845.55x = 394,438.40 × 165,025.83
  4. Step 4: Simplify right side
    285,845.55x = 65,092,524,343.87
  5. Step 5: Solve for x
    x = 65,092,524,343.87/285,845.55
  6. Step 6: Final answer
    x = 227,719.22

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1.5x scale

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.