Home / 397,709.12-596,657.10-131,469.62

Finding the Fourth Proportional to 397,709.12, 596,657.10 and 131,469.62

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Solution

The fourth proportional to 397,709.12, 596,657.10 and 131,469.62 is: 197,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,709.12 : 596,657.10 = 131,469.62 : x
  2. Step 2: Convert to fraction form
    397,709.12/596,657.10 = 131,469.62/x
  3. Step 3: Cross multiply
    397,709.12x = 596,657.10 × 131,469.62
  4. Step 4: Simplify right side
    397,709.12x = 78,442,282,207.30
  5. Step 5: Solve for x
    x = 78,442,282,207.30/397,709.12
  6. Step 6: Final answer
    x = 197,235.31

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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.