Home / 307,231.21-424,160.72-273,145.35

Finding the Fourth Proportional to 307,231.21, 424,160.72 and 273,145.35

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Solution

The fourth proportional to 307,231.21, 424,160.72 and 273,145.35 is: 377,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,231.21 : 424,160.72 = 273,145.35 : x
  2. Step 2: Convert to fraction form
    307,231.21/424,160.72 = 273,145.35/x
  3. Step 3: Cross multiply
    307,231.21x = 424,160.72 × 273,145.35
  4. Step 4: Simplify right side
    307,231.21x = 115,857,524,834.12
  5. Step 5: Solve for x
    x = 115,857,524,834.12/307,231.21
  6. Step 6: Final answer
    x = 377,102.07

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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.