Home / 659,444.20-989,147.76-210,192

Finding the Fourth Proportional to 659,444.20, 989,147.76 and 210,192

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Solution

The fourth proportional to 659,444.20, 989,147.76 and 210,192 is: 315,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,444.20 : 989,147.76 = 210,192 : x
  2. Step 2: Convert to fraction form
    659,444.20/989,147.76 = 210,192/x
  3. Step 3: Cross multiply
    659,444.20x = 989,147.76 × 210,192
  4. Step 4: Simplify right side
    659,444.20x = 207,910,945,969.92
  5. Step 5: Solve for x
    x = 207,910,945,969.92/659,444.20
  6. Step 6: Final answer
    x = 315,282.09

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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.