Home / 397,112.44-548,018.63-215,824.34

Finding the Fourth Proportional to 397,112.44, 548,018.63 and 215,824.34

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Solution

The fourth proportional to 397,112.44, 548,018.63 and 215,824.34 is: 297,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,112.44 : 548,018.63 = 215,824.34 : x
  2. Step 2: Convert to fraction form
    397,112.44/548,018.63 = 215,824.34/x
  3. Step 3: Cross multiply
    397,112.44x = 548,018.63 × 215,824.34
  4. Step 4: Simplify right side
    397,112.44x = 118,275,759,127.45
  5. Step 5: Solve for x
    x = 118,275,759,127.45/397,112.44
  6. Step 6: Final answer
    x = 297,839.47

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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.