Home / 303,125.22-418,336.65-167,171.58

Finding the Fourth Proportional to 303,125.22, 418,336.65 and 167,171.58

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Solution

The fourth proportional to 303,125.22, 418,336.65 and 167,171.58 is: 230,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,125.22 : 418,336.65 = 167,171.58 : x
  2. Step 2: Convert to fraction form
    303,125.22/418,336.65 = 167,171.58/x
  3. Step 3: Cross multiply
    303,125.22x = 418,336.65 × 167,171.58
  4. Step 4: Simplify right side
    303,125.22x = 69,933,998,752.41
  5. Step 5: Solve for x
    x = 69,933,998,752.41/303,125.22
  6. Step 6: Final answer
    x = 230,709.93

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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.