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Finding the Fourth Proportional to 414,383.28, 621,482.76 and 161,670.48

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Solution

The fourth proportional to 414,383.28, 621,482.76 and 161,670.48 is: 242,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,383.28 : 621,482.76 = 161,670.48 : x
  2. Step 2: Convert to fraction form
    414,383.28/621,482.76 = 161,670.48/x
  3. Step 3: Cross multiply
    414,383.28x = 621,482.76 × 161,670.48
  4. Step 4: Simplify right side
    414,383.28x = 100,475,416,120.93
  5. Step 5: Solve for x
    x = 100,475,416,120.93/414,383.28
  6. Step 6: Final answer
    x = 242,469.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.