Home / 338,076.53-506,367.33-231,207.22

Finding the Fourth Proportional to 338,076.53, 506,367.33 and 231,207.22

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Solution

The fourth proportional to 338,076.53, 506,367.33 and 231,207.22 is: 346,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,076.53 : 506,367.33 = 231,207.22 : x
  2. Step 2: Convert to fraction form
    338,076.53/506,367.33 = 231,207.22/x
  3. Step 3: Cross multiply
    338,076.53x = 506,367.33 × 231,207.22
  4. Step 4: Simplify right side
    338,076.53x = 117,075,782,668.12
  5. Step 5: Solve for x
    x = 117,075,782,668.12/338,076.53
  6. Step 6: Final answer
    x = 346,299.65

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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.