Home / 248,439.40-372,221.70-203,824.60

Finding the Fourth Proportional to 248,439.40, 372,221.70 and 203,824.60

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Solution

The fourth proportional to 248,439.40, 372,221.70 and 203,824.60 is: 305,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,439.40 : 372,221.70 = 203,824.60 : x
  2. Step 2: Convert to fraction form
    248,439.40/372,221.70 = 203,824.60/x
  3. Step 3: Cross multiply
    248,439.40x = 372,221.70 × 203,824.60
  4. Step 4: Simplify right side
    248,439.40x = 75,867,939,113.82
  5. Step 5: Solve for x
    x = 75,867,939,113.82/248,439.40
  6. Step 6: Final answer
    x = 305,378.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.