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Finding the Fourth Proportional to 273,775.41, 410,920.73 and 138,936.29

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Solution

The fourth proportional to 273,775.41, 410,920.73 and 138,936.29 is: 208,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,775.41 : 410,920.73 = 138,936.29 : x
  2. Step 2: Convert to fraction form
    273,775.41/410,920.73 = 138,936.29/x
  3. Step 3: Cross multiply
    273,775.41x = 410,920.73 × 138,936.29
  4. Step 4: Simplify right side
    273,775.41x = 57,091,803,084.93
  5. Step 5: Solve for x
    x = 57,091,803,084.93/273,775.41
  6. Step 6: Final answer
    x = 208,535.18

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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.