Home / 397,677.66-548,787.03-216,393.18

Finding the Fourth Proportional to 397,677.66, 548,787.03 and 216,393.18

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Solution

The fourth proportional to 397,677.66, 548,787.03 and 216,393.18 is: 298,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,677.66 : 548,787.03 = 216,393.18 : x
  2. Step 2: Convert to fraction form
    397,677.66/548,787.03 = 216,393.18/x
  3. Step 3: Cross multiply
    397,677.66x = 548,787.03 × 216,393.18
  4. Step 4: Simplify right side
    397,677.66x = 118,753,770,564.46
  5. Step 5: Solve for x
    x = 118,753,770,564.46/397,677.66
  6. Step 6: Final answer
    x = 298,618.16

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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.