Home / 248,921.20-372,928.20-143,426.80

Finding the Fourth Proportional to 248,921.20, 372,928.20 and 143,426.80

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Solution

The fourth proportional to 248,921.20, 372,928.20 and 143,426.80 is: 214,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,921.20 : 372,928.20 = 143,426.80 : x
  2. Step 2: Convert to fraction form
    248,921.20/372,928.20 = 143,426.80/x
  3. Step 3: Cross multiply
    248,921.20x = 372,928.20 × 143,426.80
  4. Step 4: Simplify right side
    248,921.20x = 53,487,898,355.76
  5. Step 5: Solve for x
    x = 53,487,898,355.76/248,921.20
  6. Step 6: Final answer
    x = 214,878.84

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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.