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Finding the Fourth Proportional to 202,280.60, 303,593.70 and 90,133.40

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Solution

The fourth proportional to 202,280.60, 303,593.70 and 90,133.40 is: 135,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,280.60 : 303,593.70 = 90,133.40 : x
  2. Step 2: Convert to fraction form
    202,280.60/303,593.70 = 90,133.40/x
  3. Step 3: Cross multiply
    202,280.60x = 303,593.70 × 90,133.40
  4. Step 4: Simplify right side
    202,280.60x = 27,363,932,399.58
  5. Step 5: Solve for x
    x = 27,363,932,399.58/202,280.60
  6. Step 6: Final answer
    x = 135,277.10

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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.