Home / 388,255.77-582,113.45-171,997.04

Finding the Fourth Proportional to 388,255.77, 582,113.45 and 171,997.04

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Solution

The fourth proportional to 388,255.77, 582,113.45 and 171,997.04 is: 257,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,255.77 : 582,113.45 = 171,997.04 : x
  2. Step 2: Convert to fraction form
    388,255.77/582,113.45 = 171,997.04/x
  3. Step 3: Cross multiply
    388,255.77x = 582,113.45 × 171,997.04
  4. Step 4: Simplify right side
    388,255.77x = 100,121,792,229.46
  5. Step 5: Solve for x
    x = 100,121,792,229.46/388,255.77
  6. Step 6: Final answer
    x = 257,875.86

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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.