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Finding the Fourth Proportional to 301,185.56, 415,636.32 and 167,049.56

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Solution

The fourth proportional to 301,185.56, 415,636.32 and 167,049.56 is: 230,528.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,185.56 : 415,636.32 = 167,049.56 : x
  2. Step 2: Convert to fraction form
    301,185.56/415,636.32 = 167,049.56/x
  3. Step 3: Cross multiply
    301,185.56x = 415,636.32 × 167,049.56
  4. Step 4: Simplify right side
    301,185.56x = 69,431,864,376.02
  5. Step 5: Solve for x
    x = 69,431,864,376.02/301,185.56
  6. Step 6: Final answer
    x = 230,528.53

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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.