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Finding the Fourth Proportional to 248,630.72, 343,110.85 and 141,200.74

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Solution

The fourth proportional to 248,630.72, 343,110.85 and 141,200.74 is: 194,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,630.72 : 343,110.85 = 141,200.74 : x
  2. Step 2: Convert to fraction form
    248,630.72/343,110.85 = 141,200.74/x
  3. Step 3: Cross multiply
    248,630.72x = 343,110.85 × 141,200.74
  4. Step 4: Simplify right side
    248,630.72x = 48,447,504,711.25
  5. Step 5: Solve for x
    x = 48,447,504,711.25/248,630.72
  6. Step 6: Final answer
    x = 194,857.27

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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.