Home / 303,146.25-418,344.45-167,185.05

Finding the Fourth Proportional to 303,146.25, 418,344.45 and 167,185.05

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Solution

The fourth proportional to 303,146.25, 418,344.45 and 167,185.05 is: 230,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,146.25 : 418,344.45 = 167,185.05 : x
  2. Step 2: Convert to fraction form
    303,146.25/418,344.45 = 167,185.05/x
  3. Step 3: Cross multiply
    303,146.25x = 418,344.45 × 167,185.05
  4. Step 4: Simplify right side
    303,146.25x = 69,940,934,862.83
  5. Step 5: Solve for x
    x = 69,940,934,862.83/303,146.25
  6. Step 6: Final answer
    x = 230,716.81

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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.