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Finding the Fourth Proportional to 307,371.92, 461,345.83 and 189,273.92

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Solution

The fourth proportional to 307,371.92, 461,345.83 and 189,273.92 is: 284,088.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,371.92 : 461,345.83 = 189,273.92 : x
  2. Step 2: Convert to fraction form
    307,371.92/461,345.83 = 189,273.92/x
  3. Step 3: Cross multiply
    307,371.92x = 461,345.83 × 189,273.92
  4. Step 4: Simplify right side
    307,371.92x = 87,320,730,939.84
  5. Step 5: Solve for x
    x = 87,320,730,939.84/307,371.92
  6. Step 6: Final answer
    x = 284,088.19

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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.