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Finding the Fourth Proportional to 202,320.40, 303,480.60 and 178,992.40

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Solution

The fourth proportional to 202,320.40, 303,480.60 and 178,992.40 is: 268,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,320.40 : 303,480.60 = 178,992.40 : x
  2. Step 2: Convert to fraction form
    202,320.40/303,480.60 = 178,992.40/x
  3. Step 3: Cross multiply
    202,320.40x = 303,480.60 × 178,992.40
  4. Step 4: Simplify right side
    202,320.40x = 54,320,720,947.44
  5. Step 5: Solve for x
    x = 54,320,720,947.44/202,320.40
  6. Step 6: Final answer
    x = 268,488.60

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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.