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Finding the Fourth Proportional to 366,490.15, 505,750.06 and 205,344.70

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Solution

The fourth proportional to 366,490.15, 505,750.06 and 205,344.70 is: 283,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,490.15 : 505,750.06 = 205,344.70 : x
  2. Step 2: Convert to fraction form
    366,490.15/505,750.06 = 205,344.70/x
  3. Step 3: Cross multiply
    366,490.15x = 505,750.06 × 205,344.70
  4. Step 4: Simplify right side
    366,490.15x = 103,853,093,337.99
  5. Step 5: Solve for x
    x = 103,853,093,337.99/366,490.15
  6. Step 6: Final answer
    x = 283,372.13

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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.