Home / 307,228.71-424,157.26-273,142.85

Finding the Fourth Proportional to 307,228.71, 424,157.26 and 273,142.85

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Solution

The fourth proportional to 307,228.71, 424,157.26 and 273,142.85 is: 377,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,228.71 : 424,157.26 = 273,142.85 : x
  2. Step 2: Convert to fraction form
    307,228.71/424,157.26 = 273,142.85/x
  3. Step 3: Cross multiply
    307,228.71x = 424,157.26 × 273,142.85
  4. Step 4: Simplify right side
    307,228.71x = 115,855,522,938.98
  5. Step 5: Solve for x
    x = 115,855,522,938.98/307,228.71
  6. Step 6: Final answer
    x = 377,098.62

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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.