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Finding the Fourth Proportional to 273,926.10, 410,894.56 and 124,138.74

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Solution

The fourth proportional to 273,926.10, 410,894.56 and 124,138.74 is: 186,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,926.10 : 410,894.56 = 124,138.74 : x
  2. Step 2: Convert to fraction form
    273,926.10/410,894.56 = 124,138.74/x
  3. Step 3: Cross multiply
    273,926.10x = 410,894.56 × 124,138.74
  4. Step 4: Simplify right side
    273,926.10x = 51,007,932,951.25
  5. Step 5: Solve for x
    x = 51,007,932,951.25/273,926.10
  6. Step 6: Final answer
    x = 186,210.56

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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.