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Finding the Fourth Proportional to 322,751.74, 445,419.66 and 179,525.12

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Solution

The fourth proportional to 322,751.74, 445,419.66 and 179,525.12 is: 247,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,751.74 : 445,419.66 = 179,525.12 : x
  2. Step 2: Convert to fraction form
    322,751.74/445,419.66 = 179,525.12/x
  3. Step 3: Cross multiply
    322,751.74x = 445,419.66 × 179,525.12
  4. Step 4: Simplify right side
    322,751.74x = 79,964,017,911.86
  5. Step 5: Solve for x
    x = 79,964,017,911.86/322,751.74
  6. Step 6: Final answer
    x = 247,757.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.