Home / 342,743.28-513,524.43-266,868.96

Finding the Fourth Proportional to 342,743.28, 513,524.43 and 266,868.96

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Solution

The fourth proportional to 342,743.28, 513,524.43 and 266,868.96 is: 399,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,743.28 : 513,524.43 = 266,868.96 : x
  2. Step 2: Convert to fraction form
    342,743.28/513,524.43 = 266,868.96/x
  3. Step 3: Cross multiply
    342,743.28x = 513,524.43 × 266,868.96
  4. Step 4: Simplify right side
    342,743.28x = 137,043,730,568.69
  5. Step 5: Solve for x
    x = 137,043,730,568.69/342,743.28
  6. Step 6: Final answer
    x = 399,843.67

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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.