Home / 397,447.32-548,481.06-216,160.68

Finding the Fourth Proportional to 397,447.32, 548,481.06 and 216,160.68

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Solution

The fourth proportional to 397,447.32, 548,481.06 and 216,160.68 is: 298,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,447.32 : 548,481.06 = 216,160.68 : x
  2. Step 2: Convert to fraction form
    397,447.32/548,481.06 = 216,160.68/x
  3. Step 3: Cross multiply
    397,447.32x = 548,481.06 × 216,160.68
  4. Step 4: Simplify right side
    397,447.32x = 118,560,038,896.72
  5. Step 5: Solve for x
    x = 118,560,038,896.72/397,447.32
  6. Step 6: Final answer
    x = 298,303.78

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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.