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Finding the Fourth Proportional to 397,183.80, 595,588.51 and 144,285.96

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Solution

The fourth proportional to 397,183.80, 595,588.51 and 144,285.96 is: 216,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,183.80 : 595,588.51 = 144,285.96 : x
  2. Step 2: Convert to fraction form
    397,183.80/595,588.51 = 144,285.96/x
  3. Step 3: Cross multiply
    397,183.80x = 595,588.51 × 144,285.96
  4. Step 4: Simplify right side
    397,183.80x = 85,935,059,208.89
  5. Step 5: Solve for x
    x = 85,935,059,208.89/397,183.80
  6. Step 6: Final answer
    x = 216,360.94

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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.