Home / 397,112.82-548,019.33-215,825.24

Finding the Fourth Proportional to 397,112.82, 548,019.33 and 215,825.24

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Solution

The fourth proportional to 397,112.82, 548,019.33 and 215,825.24 is: 297,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,112.82 : 548,019.33 = 215,825.24 : x
  2. Step 2: Convert to fraction form
    397,112.82/548,019.33 = 215,825.24/x
  3. Step 3: Cross multiply
    397,112.82x = 548,019.33 × 215,825.24
  4. Step 4: Simplify right side
    397,112.82x = 118,276,400,681.79
  5. Step 5: Solve for x
    x = 118,276,400,681.79/397,112.82
  6. Step 6: Final answer
    x = 297,840.80

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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.