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Finding the Fourth Proportional to 491,550.80, 737,290.68 and 191,975.12

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Solution

The fourth proportional to 491,550.80, 737,290.68 and 191,975.12 is: 287,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,550.80 : 737,290.68 = 191,975.12 : x
  2. Step 2: Convert to fraction form
    491,550.80/737,290.68 = 191,975.12/x
  3. Step 3: Cross multiply
    491,550.80x = 737,290.68 × 191,975.12
  4. Step 4: Simplify right side
    491,550.80x = 141,541,466,767.88
  5. Step 5: Solve for x
    x = 141,541,466,767.88/491,550.80
  6. Step 6: Final answer
    x = 287,948.81

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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.