Home / 388,230.18-582,345.09-107,747.34

Finding the Fourth Proportional to 388,230.18, 582,345.09 and 107,747.34

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Solution

The fourth proportional to 388,230.18, 582,345.09 and 107,747.34 is: 161,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,230.18 : 582,345.09 = 107,747.34 : x
  2. Step 2: Convert to fraction form
    388,230.18/582,345.09 = 107,747.34/x
  3. Step 3: Cross multiply
    388,230.18x = 582,345.09 × 107,747.34
  4. Step 4: Simplify right side
    388,230.18x = 62,746,134,409.56
  5. Step 5: Solve for x
    x = 62,746,134,409.56/388,230.18
  6. Step 6: Final answer
    x = 161,620.96

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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.