Home / 322,741.08-445,380.18-177,543.72

Finding the Fourth Proportional to 322,741.08, 445,380.18 and 177,543.72

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Solution

The fourth proportional to 322,741.08, 445,380.18 and 177,543.72 is: 245,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,741.08 : 445,380.18 = 177,543.72 : x
  2. Step 2: Convert to fraction form
    322,741.08/445,380.18 = 177,543.72/x
  3. Step 3: Cross multiply
    322,741.08x = 445,380.18 × 177,543.72
  4. Step 4: Simplify right side
    322,741.08x = 79,074,453,971.47
  5. Step 5: Solve for x
    x = 79,074,453,971.47/322,741.08
  6. Step 6: Final answer
    x = 245,008.95

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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.