Home / 388,480.13-582,664.83-122,233.72

Finding the Fourth Proportional to 388,480.13, 582,664.83 and 122,233.72

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Solution

The fourth proportional to 388,480.13, 582,664.83 and 122,233.72 is: 183,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,480.13 : 582,664.83 = 122,233.72 : x
  2. Step 2: Convert to fraction form
    388,480.13/582,664.83 = 122,233.72/x
  3. Step 3: Cross multiply
    388,480.13x = 582,664.83 × 122,233.72
  4. Step 4: Simplify right side
    388,480.13x = 71,221,289,684.07
  5. Step 5: Solve for x
    x = 71,221,289,684.07/388,480.13
  6. Step 6: Final answer
    x = 183,333.16

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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.