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Finding the Fourth Proportional to 397,923.84, 597,093.12 and 176,256

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Solution

The fourth proportional to 397,923.84, 597,093.12 and 176,256 is: 264,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,923.84 : 597,093.12 = 176,256 : x
  2. Step 2: Convert to fraction form
    397,923.84/597,093.12 = 176,256/x
  3. Step 3: Cross multiply
    397,923.84x = 597,093.12 × 176,256
  4. Step 4: Simplify right side
    397,923.84x = 105,241,244,958.72
  5. Step 5: Solve for x
    x = 105,241,244,958.72/397,923.84
  6. Step 6: Final answer
    x = 264,475.85

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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.