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Finding the Fourth Proportional to 237,080.93, 327,072.44 and 155,428.78

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Solution

The fourth proportional to 237,080.93, 327,072.44 and 155,428.78 is: 214,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,080.93 : 327,072.44 = 155,428.78 : x
  2. Step 2: Convert to fraction form
    237,080.93/327,072.44 = 155,428.78/x
  3. Step 3: Cross multiply
    237,080.93x = 327,072.44 × 155,428.78
  4. Step 4: Simplify right side
    237,080.93x = 50,836,470,987.72
  5. Step 5: Solve for x
    x = 50,836,470,987.72/237,080.93
  6. Step 6: Final answer
    x = 214,426.66

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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.