Home / 272,232.78-408,432.24-139,206.48

Finding the Fourth Proportional to 272,232.78, 408,432.24 and 139,206.48

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Solution

The fourth proportional to 272,232.78, 408,432.24 and 139,206.48 is: 208,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,232.78 : 408,432.24 = 139,206.48 : x
  2. Step 2: Convert to fraction form
    272,232.78/408,432.24 = 139,206.48/x
  3. Step 3: Cross multiply
    272,232.78x = 408,432.24 × 139,206.48
  4. Step 4: Simplify right side
    272,232.78x = 56,856,414,448.92
  5. Step 5: Solve for x
    x = 56,856,414,448.92/272,232.78
  6. Step 6: Final answer
    x = 208,852.20

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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.