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Finding the Fourth Proportional to 328,423.20, 453,223.92 and 177,520.20

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Solution

The fourth proportional to 328,423.20, 453,223.92 and 177,520.20 is: 244,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,423.20 : 453,223.92 = 177,520.20 : x
  2. Step 2: Convert to fraction form
    328,423.20/453,223.92 = 177,520.20/x
  3. Step 3: Cross multiply
    328,423.20x = 453,223.92 × 177,520.20
  4. Step 4: Simplify right side
    328,423.20x = 80,456,400,923.18
  5. Step 5: Solve for x
    x = 80,456,400,923.18/328,423.20
  6. Step 6: Final answer
    x = 244,977.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.