Home / 397,640.43-548,739.54-236,491.95

Finding the Fourth Proportional to 397,640.43, 548,739.54 and 236,491.95

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Solution

The fourth proportional to 397,640.43, 548,739.54 and 236,491.95 is: 326,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,640.43 : 548,739.54 = 236,491.95 : x
  2. Step 2: Convert to fraction form
    397,640.43/548,739.54 = 236,491.95/x
  3. Step 3: Cross multiply
    397,640.43x = 548,739.54 × 236,491.95
  4. Step 4: Simplify right side
    397,640.43x = 129,772,483,856.70
  5. Step 5: Solve for x
    x = 129,772,483,856.70/397,640.43
  6. Step 6: Final answer
    x = 326,356.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.