Home / 436,266.63-654,749.91-225,964.71

Finding the Fourth Proportional to 436,266.63, 654,749.91 and 225,964.71

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Solution

The fourth proportional to 436,266.63, 654,749.91 and 225,964.71 is: 339,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,266.63 : 654,749.91 = 225,964.71 : x
  2. Step 2: Convert to fraction form
    436,266.63/654,749.91 = 225,964.71/x
  3. Step 3: Cross multiply
    436,266.63x = 654,749.91 × 225,964.71
  4. Step 4: Simplify right side
    436,266.63x = 147,950,373,535.68
  5. Step 5: Solve for x
    x = 147,950,373,535.68/436,266.63
  6. Step 6: Final answer
    x = 339,128.33

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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.