Home / 659,278.85-989,067.38-210,025.31

Finding the Fourth Proportional to 659,278.85, 989,067.38 and 210,025.31

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Solution

The fourth proportional to 659,278.85, 989,067.38 and 210,025.31 is: 315,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,278.85 : 989,067.38 = 210,025.31 : x
  2. Step 2: Convert to fraction form
    659,278.85/989,067.38 = 210,025.31/x
  3. Step 3: Cross multiply
    659,278.85x = 989,067.38 × 210,025.31
  4. Step 4: Simplify right side
    659,278.85x = 207,729,177,099.92
  5. Step 5: Solve for x
    x = 207,729,177,099.92/659,278.85
  6. Step 6: Final answer
    x = 315,085.46

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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.