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Finding the Fourth Proportional to 300,000.81, 414,001.49 and 164,035.37

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Solution

The fourth proportional to 300,000.81, 414,001.49 and 164,035.37 is: 226,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,000.81 : 414,001.49 = 164,035.37 : x
  2. Step 2: Convert to fraction form
    300,000.81/414,001.49 = 164,035.37/x
  3. Step 3: Cross multiply
    300,000.81x = 414,001.49 × 164,035.37
  4. Step 4: Simplify right side
    300,000.81x = 67,910,886,049.95
  5. Step 5: Solve for x
    x = 67,910,886,049.95/300,000.81
  6. Step 6: Final answer
    x = 226,369.01

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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.