Home / 387,782.02-582,217.97-198,378.25

Finding the Fourth Proportional to 387,782.02, 582,217.97 and 198,378.25

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Solution

The fourth proportional to 387,782.02, 582,217.97 and 198,378.25 is: 297,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,782.02 : 582,217.97 = 198,378.25 : x
  2. Step 2: Convert to fraction form
    387,782.02/582,217.97 = 198,378.25/x
  3. Step 3: Cross multiply
    387,782.02x = 582,217.97 × 198,378.25
  4. Step 4: Simplify right side
    387,782.02x = 115,499,382,007.15
  5. Step 5: Solve for x
    x = 115,499,382,007.15/387,782.02
  6. Step 6: Final answer
    x = 297,846.15

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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.