Home / 303,155.20-418,385.36-192,850.32

Finding the Fourth Proportional to 303,155.20, 418,385.36 and 192,850.32

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Solution

The fourth proportional to 303,155.20, 418,385.36 and 192,850.32 is: 266,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,155.20 : 418,385.36 = 192,850.32 : x
  2. Step 2: Convert to fraction form
    303,155.20/418,385.36 = 192,850.32/x
  3. Step 3: Cross multiply
    303,155.20x = 418,385.36 × 192,850.32
  4. Step 4: Simplify right side
    303,155.20x = 80,685,750,559.32
  5. Step 5: Solve for x
    x = 80,685,750,559.32/303,155.20
  6. Step 6: Final answer
    x = 266,153.28

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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.