Home / 388,648.54-582,917.46-122,402.14

Finding the Fourth Proportional to 388,648.54, 582,917.46 and 122,402.14

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Solution

The fourth proportional to 388,648.54, 582,917.46 and 122,402.14 is: 183,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,648.54 : 582,917.46 = 122,402.14 : x
  2. Step 2: Convert to fraction form
    388,648.54/582,917.46 = 122,402.14/x
  3. Step 3: Cross multiply
    388,648.54x = 582,917.46 × 122,402.14
  4. Step 4: Simplify right side
    388,648.54x = 71,350,344,547.36
  5. Step 5: Solve for x
    x = 71,350,344,547.36/388,648.54
  6. Step 6: Final answer
    x = 183,585.78

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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.