Home / 397,458.41-548,487.25-216,166.43

Finding the Fourth Proportional to 397,458.41, 548,487.25 and 216,166.43

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Solution

The fourth proportional to 397,458.41, 548,487.25 and 216,166.43 is: 298,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,458.41 : 548,487.25 = 216,166.43 : x
  2. Step 2: Convert to fraction form
    397,458.41/548,487.25 = 216,166.43/x
  3. Step 3: Cross multiply
    397,458.41x = 548,487.25 × 216,166.43
  4. Step 4: Simplify right side
    397,458.41x = 118,564,531,563.82
  5. Step 5: Solve for x
    x = 118,564,531,563.82/397,458.41
  6. Step 6: Final answer
    x = 298,306.77

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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.