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Finding the Fourth Proportional to 303,000.33, 418,143.36 and 167,039.58

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Solution

The fourth proportional to 303,000.33, 418,143.36 and 167,039.58 is: 230,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,000.33 : 418,143.36 = 167,039.58 : x
  2. Step 2: Convert to fraction form
    303,000.33/418,143.36 = 167,039.58/x
  3. Step 3: Cross multiply
    303,000.33x = 418,143.36 × 167,039.58
  4. Step 4: Simplify right side
    303,000.33x = 69,846,491,234.19
  5. Step 5: Solve for x
    x = 69,846,491,234.19/303,000.33
  6. Step 6: Final answer
    x = 230,516.22

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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.