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Finding the Fourth Proportional to 273,545.83, 410,339.49 and 73,863.31

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Solution

The fourth proportional to 273,545.83, 410,339.49 and 73,863.31 is: 110,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,545.83 : 410,339.49 = 73,863.31 : x
  2. Step 2: Convert to fraction form
    273,545.83/410,339.49 = 73,863.31/x
  3. Step 3: Cross multiply
    273,545.83x = 410,339.49 × 73,863.31
  4. Step 4: Simplify right side
    273,545.83x = 30,309,032,955.11
  5. Step 5: Solve for x
    x = 30,309,032,955.11/273,545.83
  6. Step 6: Final answer
    x = 110,800.57

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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.