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Finding the Fourth Proportional to 273,398.64, 410,190.36 and 172,272.72

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Solution

The fourth proportional to 273,398.64, 410,190.36 and 172,272.72 is: 258,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,398.64 : 410,190.36 = 172,272.72 : x
  2. Step 2: Convert to fraction form
    273,398.64/410,190.36 = 172,272.72/x
  3. Step 3: Cross multiply
    273,398.64x = 410,190.36 × 172,272.72
  4. Step 4: Simplify right side
    273,398.64x = 70,664,609,034.98
  5. Step 5: Solve for x
    x = 70,664,609,034.98/273,398.64
  6. Step 6: Final answer
    x = 258,467.30

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1.5x scale

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.