Home / 324,940.14-487,649.63-154,162.47

Finding the Fourth Proportional to 324,940.14, 487,649.63 and 154,162.47

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Solution

The fourth proportional to 324,940.14, 487,649.63 and 154,162.47 is: 231,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,940.14 : 487,649.63 = 154,162.47 : x
  2. Step 2: Convert to fraction form
    324,940.14/487,649.63 = 154,162.47/x
  3. Step 3: Cross multiply
    324,940.14x = 487,649.63 × 154,162.47
  4. Step 4: Simplify right side
    324,940.14x = 75,177,273,669.48
  5. Step 5: Solve for x
    x = 75,177,273,669.48/324,940.14
  6. Step 6: Final answer
    x = 231,357.30

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1.5x scale

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.