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Finding the Fourth Proportional to 453,463.80, 680,195.70 and 116,503.80

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Solution

The fourth proportional to 453,463.80, 680,195.70 and 116,503.80 is: 174,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,463.80 : 680,195.70 = 116,503.80 : x
  2. Step 2: Convert to fraction form
    453,463.80/680,195.70 = 116,503.80/x
  3. Step 3: Cross multiply
    453,463.80x = 680,195.70 × 116,503.80
  4. Step 4: Simplify right side
    453,463.80x = 79,245,383,793.66
  5. Step 5: Solve for x
    x = 79,245,383,793.66/453,463.80
  6. Step 6: Final answer
    x = 174,755.70

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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.