Home / 397,113.54-548,016.69-215,825.91

Finding the Fourth Proportional to 397,113.54, 548,016.69 and 215,825.91

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Solution

The fourth proportional to 397,113.54, 548,016.69 and 215,825.91 is: 297,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,113.54 : 548,016.69 = 215,825.91 : x
  2. Step 2: Convert to fraction form
    397,113.54/548,016.69 = 215,825.91/x
  3. Step 3: Cross multiply
    397,113.54x = 548,016.69 × 215,825.91
  4. Step 4: Simplify right side
    397,113.54x = 118,276,200,814.44
  5. Step 5: Solve for x
    x = 118,276,200,814.44/397,113.54
  6. Step 6: Final answer
    x = 297,839.76

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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.