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Finding the Fourth Proportional to 253,771.12, 350,177.16 and 140,582.80

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Solution

The fourth proportional to 253,771.12, 350,177.16 and 140,582.80 is: 193,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,771.12 : 350,177.16 = 140,582.80 : x
  2. Step 2: Convert to fraction form
    253,771.12/350,177.16 = 140,582.80/x
  3. Step 3: Cross multiply
    253,771.12x = 350,177.16 × 140,582.80
  4. Step 4: Simplify right side
    253,771.12x = 49,228,885,648.85
  5. Step 5: Solve for x
    x = 49,228,885,648.85/253,771.12
  6. Step 6: Final answer
    x = 193,989.31

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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.