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Finding the Fourth Proportional to 491,523.72, 737,300.16 and 191,992.20

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Solution

The fourth proportional to 491,523.72, 737,300.16 and 191,992.20 is: 287,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,523.72 : 737,300.16 = 191,992.20 : x
  2. Step 2: Convert to fraction form
    491,523.72/737,300.16 = 191,992.20/x
  3. Step 3: Cross multiply
    491,523.72x = 737,300.16 × 191,992.20
  4. Step 4: Simplify right side
    491,523.72x = 141,555,879,778.75
  5. Step 5: Solve for x
    x = 141,555,879,778.75/491,523.72
  6. Step 6: Final answer
    x = 287,994.00

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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.