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Finding the Fourth Proportional to 360,560.45, 497,553.48 and 199,404.87

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Solution

The fourth proportional to 360,560.45, 497,553.48 and 199,404.87 is: 275,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,560.45 : 497,553.48 = 199,404.87 : x
  2. Step 2: Convert to fraction form
    360,560.45/497,553.48 = 199,404.87/x
  3. Step 3: Cross multiply
    360,560.45x = 497,553.48 × 199,404.87
  4. Step 4: Simplify right side
    360,560.45x = 99,214,586,997.45
  5. Step 5: Solve for x
    x = 99,214,586,997.45/360,560.45
  6. Step 6: Final answer
    x = 275,167.70

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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.