Home / 291,273.14-402,080.82-195,835.16

Finding the Fourth Proportional to 291,273.14, 402,080.82 and 195,835.16

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Solution

The fourth proportional to 291,273.14, 402,080.82 and 195,835.16 is: 270,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,273.14 : 402,080.82 = 195,835.16 : x
  2. Step 2: Convert to fraction form
    291,273.14/402,080.82 = 195,835.16/x
  3. Step 3: Cross multiply
    291,273.14x = 402,080.82 × 195,835.16
  4. Step 4: Simplify right side
    291,273.14x = 78,741,561,988.45
  5. Step 5: Solve for x
    x = 78,741,561,988.45/291,273.14
  6. Step 6: Final answer
    x = 270,335.81

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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.