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Finding the Fourth Proportional to 248,625.70, 372,829.20 and 98,816.20

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Solution

The fourth proportional to 248,625.70, 372,829.20 and 98,816.20 is: 148,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,625.70 : 372,829.20 = 98,816.20 : x
  2. Step 2: Convert to fraction form
    248,625.70/372,829.20 = 98,816.20/x
  3. Step 3: Cross multiply
    248,625.70x = 372,829.20 × 98,816.20
  4. Step 4: Simplify right side
    248,625.70x = 36,841,564,793.04
  5. Step 5: Solve for x
    x = 36,841,564,793.04/248,625.70
  6. Step 6: Final answer
    x = 148,180.84

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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.