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Finding the Fourth Proportional to 273,367.62, 410,080.50 and 115,612.02

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Solution

The fourth proportional to 273,367.62, 410,080.50 and 115,612.02 is: 173,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,367.62 : 410,080.50 = 115,612.02 : x
  2. Step 2: Convert to fraction form
    273,367.62/410,080.50 = 115,612.02/x
  3. Step 3: Cross multiply
    273,367.62x = 410,080.50 × 115,612.02
  4. Step 4: Simplify right side
    273,367.62x = 47,410,234,967.61
  5. Step 5: Solve for x
    x = 47,410,234,967.61/273,367.62
  6. Step 6: Final answer
    x = 173,430.32

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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.