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Finding the Fourth Proportional to 275,702.70, 413,007.30 and 242,824.80

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Solution

The fourth proportional to 275,702.70, 413,007.30 and 242,824.80 is: 363,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,702.70 : 413,007.30 = 242,824.80 : x
  2. Step 2: Convert to fraction form
    275,702.70/413,007.30 = 242,824.80/x
  3. Step 3: Cross multiply
    275,702.70x = 413,007.30 × 242,824.80
  4. Step 4: Simplify right side
    275,702.70x = 100,288,415,021.04
  5. Step 5: Solve for x
    x = 100,288,415,021.04/275,702.70
  6. Step 6: Final answer
    x = 363,755.65

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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.