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Finding the Fourth Proportional to 331,982.90, 497,909.55 and 110,366.90

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Solution

The fourth proportional to 331,982.90, 497,909.55 and 110,366.90 is: 165,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,982.90 : 497,909.55 = 110,366.90 : x
  2. Step 2: Convert to fraction form
    331,982.90/497,909.55 = 110,366.90/x
  3. Step 3: Cross multiply
    331,982.90x = 497,909.55 × 110,366.90
  4. Step 4: Simplify right side
    331,982.90x = 54,952,733,513.90
  5. Step 5: Solve for x
    x = 54,952,733,513.90/331,982.90
  6. Step 6: Final answer
    x = 165,528.81

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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.