Home / 394,475.07-591,654.29-145,098.75

Finding the Fourth Proportional to 394,475.07, 591,654.29 and 145,098.75

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Solution

The fourth proportional to 394,475.07, 591,654.29 and 145,098.75 is: 217,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,475.07 : 591,654.29 = 145,098.75 : x
  2. Step 2: Convert to fraction form
    394,475.07/591,654.29 = 145,098.75/x
  3. Step 3: Cross multiply
    394,475.07x = 591,654.29 × 145,098.75
  4. Step 4: Simplify right side
    394,475.07x = 85,848,297,185.64
  5. Step 5: Solve for x
    x = 85,848,297,185.64/394,475.07
  6. Step 6: Final answer
    x = 217,626.67

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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.