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Finding the Fourth Proportional to 237,908.37, 356,749.56 and 138,099.18

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Solution

The fourth proportional to 237,908.37, 356,749.56 and 138,099.18 is: 207,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,908.37 : 356,749.56 = 138,099.18 : x
  2. Step 2: Convert to fraction form
    237,908.37/356,749.56 = 138,099.18/x
  3. Step 3: Cross multiply
    237,908.37x = 356,749.56 × 138,099.18
  4. Step 4: Simplify right side
    237,908.37x = 49,266,821,701.36
  5. Step 5: Solve for x
    x = 49,266,821,701.36/237,908.37
  6. Step 6: Final answer
    x = 207,083.18

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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.