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Finding the Fourth Proportional to 203,092.80, 280,200.24 and 118,191.84

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Solution

The fourth proportional to 203,092.80, 280,200.24 and 118,191.84 is: 163,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,092.80 : 280,200.24 = 118,191.84 : x
  2. Step 2: Convert to fraction form
    203,092.80/280,200.24 = 118,191.84/x
  3. Step 3: Cross multiply
    203,092.80x = 280,200.24 × 118,191.84
  4. Step 4: Simplify right side
    203,092.80x = 33,117,381,934.04
  5. Step 5: Solve for x
    x = 33,117,381,934.04/203,092.80
  6. Step 6: Final answer
    x = 163,065.27

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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.