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Finding the Fourth Proportional to 248,423.40, 372,197.70 and 203,808.60

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Solution

The fourth proportional to 248,423.40, 372,197.70 and 203,808.60 is: 305,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,423.40 : 372,197.70 = 203,808.60 : x
  2. Step 2: Convert to fraction form
    248,423.40/372,197.70 = 203,808.60/x
  3. Step 3: Cross multiply
    248,423.40x = 372,197.70 × 203,808.60
  4. Step 4: Simplify right side
    248,423.40x = 75,857,092,160.22
  5. Step 5: Solve for x
    x = 75,857,092,160.22/248,423.40
  6. Step 6: Final answer
    x = 305,354.05

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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.