Home / 270,219.88-372,865.34-153,936.41

Finding the Fourth Proportional to 270,219.88, 372,865.34 and 153,936.41

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Solution

The fourth proportional to 270,219.88, 372,865.34 and 153,936.41 is: 212,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,219.88 : 372,865.34 = 153,936.41 : x
  2. Step 2: Convert to fraction form
    270,219.88/372,865.34 = 153,936.41/x
  3. Step 3: Cross multiply
    270,219.88x = 372,865.34 × 153,936.41
  4. Step 4: Simplify right side
    270,219.88x = 57,397,550,772.81
  5. Step 5: Solve for x
    x = 57,397,550,772.81/270,219.88
  6. Step 6: Final answer
    x = 212,410.54

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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.