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Finding the Fourth Proportional to 273,924.22, 410,886.32 and 74,244.61

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Solution

The fourth proportional to 273,924.22, 410,886.32 and 74,244.61 is: 111,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,924.22 : 410,886.32 = 74,244.61 : x
  2. Step 2: Convert to fraction form
    273,924.22/410,886.32 = 74,244.61/x
  3. Step 3: Cross multiply
    273,924.22x = 410,886.32 × 74,244.61
  4. Step 4: Simplify right side
    273,924.22x = 30,506,094,582.74
  5. Step 5: Solve for x
    x = 30,506,094,582.74/273,924.22
  6. Step 6: Final answer
    x = 111,366.91

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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.