Home / 397,414.43-548,429.19-216,125.87

Finding the Fourth Proportional to 397,414.43, 548,429.19 and 216,125.87

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Solution

The fourth proportional to 397,414.43, 548,429.19 and 216,125.87 is: 298,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,414.43 : 548,429.19 = 216,125.87 : x
  2. Step 2: Convert to fraction form
    397,414.43/548,429.19 = 216,125.87/x
  3. Step 3: Cross multiply
    397,414.43x = 548,429.19 × 216,125.87
  4. Step 4: Simplify right side
    397,414.43x = 118,529,735,822.15
  5. Step 5: Solve for x
    x = 118,529,735,822.15/397,414.43
  6. Step 6: Final answer
    x = 298,252.22

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1.5x scale

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.