Home / 319,719.42-441,245.16-274,546.94

Finding the Fourth Proportional to 319,719.42, 441,245.16 and 274,546.94

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Solution

The fourth proportional to 319,719.42, 441,245.16 and 274,546.94 is: 378,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,719.42 : 441,245.16 = 274,546.94 : x
  2. Step 2: Convert to fraction form
    319,719.42/441,245.16 = 274,546.94/x
  3. Step 3: Cross multiply
    319,719.42x = 441,245.16 × 274,546.94
  4. Step 4: Simplify right side
    319,719.42x = 121,142,508,467.81
  5. Step 5: Solve for x
    x = 121,142,508,467.81/319,719.42
  6. Step 6: Final answer
    x = 378,902.57

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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.