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Finding the Fourth Proportional to 202,002.60, 303,003.90 and 89,639.40

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Solution

The fourth proportional to 202,002.60, 303,003.90 and 89,639.40 is: 134,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,002.60 : 303,003.90 = 89,639.40 : x
  2. Step 2: Convert to fraction form
    202,002.60/303,003.90 = 89,639.40/x
  3. Step 3: Cross multiply
    202,002.60x = 303,003.90 × 89,639.40
  4. Step 4: Simplify right side
    202,002.60x = 27,161,087,793.66
  5. Step 5: Solve for x
    x = 27,161,087,793.66/202,002.60
  6. Step 6: Final answer
    x = 134,459.10

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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.