Home / 388,250.62-582,516.07-135,568.35

Finding the Fourth Proportional to 388,250.62, 582,516.07 and 135,568.35

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Solution

The fourth proportional to 388,250.62, 582,516.07 and 135,568.35 is: 203,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,250.62 : 582,516.07 = 135,568.35 : x
  2. Step 2: Convert to fraction form
    388,250.62/582,516.07 = 135,568.35/x
  3. Step 3: Cross multiply
    388,250.62x = 582,516.07 × 135,568.35
  4. Step 4: Simplify right side
    388,250.62x = 78,970,742,119.46
  5. Step 5: Solve for x
    x = 78,970,742,119.46/388,250.62
  6. Step 6: Final answer
    x = 203,401.46

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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.