Home / 306,180.86-422,536.62-170,209.58

Finding the Fourth Proportional to 306,180.86, 422,536.62 and 170,209.58

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Solution

The fourth proportional to 306,180.86, 422,536.62 and 170,209.58 is: 234,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,180.86 : 422,536.62 = 170,209.58 : x
  2. Step 2: Convert to fraction form
    306,180.86/422,536.62 = 170,209.58/x
  3. Step 3: Cross multiply
    306,180.86x = 422,536.62 × 170,209.58
  4. Step 4: Simplify right side
    306,180.86x = 71,919,780,624.82
  5. Step 5: Solve for x
    x = 71,919,780,624.82/306,180.86
  6. Step 6: Final answer
    x = 234,893.13

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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.