Home / 397,249.67-548,215.16-215,973.83

Finding the Fourth Proportional to 397,249.67, 548,215.16 and 215,973.83

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Solution

The fourth proportional to 397,249.67, 548,215.16 and 215,973.83 is: 298,049.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,249.67 : 548,215.16 = 215,973.83 : x
  2. Step 2: Convert to fraction form
    397,249.67/548,215.16 = 215,973.83/x
  3. Step 3: Cross multiply
    397,249.67x = 548,215.16 × 215,973.83
  4. Step 4: Simplify right side
    397,249.67x = 118,400,128,059.93
  5. Step 5: Solve for x
    x = 118,400,128,059.93/397,249.67
  6. Step 6: Final answer
    x = 298,049.66

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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.