Home / 659,446.20-989,150.76-210,194

Finding the Fourth Proportional to 659,446.20, 989,150.76 and 210,194

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Solution

The fourth proportional to 659,446.20, 989,150.76 and 210,194 is: 315,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,446.20 : 989,150.76 = 210,194 : x
  2. Step 2: Convert to fraction form
    659,446.20/989,150.76 = 210,194/x
  3. Step 3: Cross multiply
    659,446.20x = 989,150.76 × 210,194
  4. Step 4: Simplify right side
    659,446.20x = 207,913,554,847.44
  5. Step 5: Solve for x
    x = 207,913,554,847.44/659,446.20
  6. Step 6: Final answer
    x = 315,285.09

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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.