Home / 397,260.32-548,225.48-215,972.95

Finding the Fourth Proportional to 397,260.32, 548,225.48 and 215,972.95

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Solution

The fourth proportional to 397,260.32, 548,225.48 and 215,972.95 is: 298,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,260.32 : 548,225.48 = 215,972.95 : x
  2. Step 2: Convert to fraction form
    397,260.32/548,225.48 = 215,972.95/x
  3. Step 3: Cross multiply
    397,260.32x = 548,225.48 × 215,972.95
  4. Step 4: Simplify right side
    397,260.32x = 118,401,873,350.14
  5. Step 5: Solve for x
    x = 118,401,873,350.14/397,260.32
  6. Step 6: Final answer
    x = 298,046.06

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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.