Home / 388,148.50-582,222.66-107,665.75

Finding the Fourth Proportional to 388,148.50, 582,222.66 and 107,665.75

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Solution

The fourth proportional to 388,148.50, 582,222.66 and 107,665.75 is: 161,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,148.50 : 582,222.66 = 107,665.75 : x
  2. Step 2: Convert to fraction form
    388,148.50/582,222.66 = 107,665.75/x
  3. Step 3: Cross multiply
    388,148.50x = 582,222.66 × 107,665.75
  4. Step 4: Simplify right side
    388,148.50x = 62,685,439,355.90
  5. Step 5: Solve for x
    x = 62,685,439,355.90/388,148.50
  6. Step 6: Final answer
    x = 161,498.60

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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.