Home / 388,254.93-582,409.00-131,983.22

Finding the Fourth Proportional to 388,254.93, 582,409.00 and 131,983.22

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Solution

The fourth proportional to 388,254.93, 582,409.00 and 131,983.22 is: 197,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,254.93 : 582,409.00 = 131,983.22 : x
  2. Step 2: Convert to fraction form
    388,254.93/582,409.00 = 131,983.22/x
  3. Step 3: Cross multiply
    388,254.93x = 582,409.00 × 131,983.22
  4. Step 4: Simplify right side
    388,254.93x = 76,868,212,429.91
  5. Step 5: Solve for x
    x = 76,868,212,429.91/388,254.93
  6. Step 6: Final answer
    x = 197,983.87

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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.