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Finding the Fourth Proportional to 223,780.97, 335,671.46 and 83,550.53

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Solution

The fourth proportional to 223,780.97, 335,671.46 and 83,550.53 is: 125,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,780.97 : 335,671.46 = 83,550.53 : x
  2. Step 2: Convert to fraction form
    223,780.97/335,671.46 = 83,550.53/x
  3. Step 3: Cross multiply
    223,780.97x = 335,671.46 × 83,550.53
  4. Step 4: Simplify right side
    223,780.97x = 28,045,528,388.87
  5. Step 5: Solve for x
    x = 28,045,528,388.87/223,780.97
  6. Step 6: Final answer
    x = 125,325.80

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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.