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Finding the Fourth Proportional to 491,197.02, 735,428.98 and 250,791.72

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Solution

The fourth proportional to 491,197.02, 735,428.98 and 250,791.72 is: 375,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,197.02 : 735,428.98 = 250,791.72 : x
  2. Step 2: Convert to fraction form
    491,197.02/735,428.98 = 250,791.72/x
  3. Step 3: Cross multiply
    491,197.02x = 735,428.98 × 250,791.72
  4. Step 4: Simplify right side
    491,197.02x = 184,439,498,832.05
  5. Step 5: Solve for x
    x = 184,439,498,832.05/491,197.02
  6. Step 6: Final answer
    x = 375,489.86

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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.