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Finding the Fourth Proportional to 303,141.33, 418,328.10 and 167,171.40

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Solution

The fourth proportional to 303,141.33, 418,328.10 and 167,171.40 is: 230,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,141.33 : 418,328.10 = 167,171.40 : x
  2. Step 2: Convert to fraction form
    303,141.33/418,328.10 = 167,171.40/x
  3. Step 3: Cross multiply
    303,141.33x = 418,328.10 × 167,171.40
  4. Step 4: Simplify right side
    303,141.33x = 69,932,494,136.34
  5. Step 5: Solve for x
    x = 69,932,494,136.34/303,141.33
  6. Step 6: Final answer
    x = 230,692.71

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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.