Home / 388,620.23-582,679.98-163,920.56

Finding the Fourth Proportional to 388,620.23, 582,679.98 and 163,920.56

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Solution

The fourth proportional to 388,620.23, 582,679.98 and 163,920.56 is: 245,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,620.23 : 582,679.98 = 163,920.56 : x
  2. Step 2: Convert to fraction form
    388,620.23/582,679.98 = 163,920.56/x
  3. Step 3: Cross multiply
    388,620.23x = 582,679.98 × 163,920.56
  4. Step 4: Simplify right side
    388,620.23x = 95,513,228,986.56
  5. Step 5: Solve for x
    x = 95,513,228,986.56/388,620.23
  6. Step 6: Final answer
    x = 245,775.24

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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.