Home / 377,820.51-521,255.36-214,382.37

Finding the Fourth Proportional to 377,820.51, 521,255.36 and 214,382.37

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Solution

The fourth proportional to 377,820.51, 521,255.36 and 214,382.37 is: 295,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,820.51 : 521,255.36 = 214,382.37 : x
  2. Step 2: Convert to fraction form
    377,820.51/521,255.36 = 214,382.37/x
  3. Step 3: Cross multiply
    377,820.51x = 521,255.36 × 214,382.37
  4. Step 4: Simplify right side
    377,820.51x = 111,747,958,380.09
  5. Step 5: Solve for x
    x = 111,747,958,380.09/377,820.51
  6. Step 6: Final answer
    x = 295,769.96

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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.