Home / 397,262.61-548,233.22-215,986.74

Finding the Fourth Proportional to 397,262.61, 548,233.22 and 215,986.74

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Solution

The fourth proportional to 397,262.61, 548,233.22 and 215,986.74 is: 298,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,262.61 : 548,233.22 = 215,986.74 : x
  2. Step 2: Convert to fraction form
    397,262.61/548,233.22 = 215,986.74/x
  3. Step 3: Cross multiply
    397,262.61x = 548,233.22 × 215,986.74
  4. Step 4: Simplify right side
    397,262.61x = 118,411,105,947.50
  5. Step 5: Solve for x
    x = 118,411,105,947.50/397,262.61
  6. Step 6: Final answer
    x = 298,067.58

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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.