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Finding the Fourth Proportional to 202,000.30, 303,000.45 and 68,868.70

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Solution

The fourth proportional to 202,000.30, 303,000.45 and 68,868.70 is: 103,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,000.30 : 303,000.45 = 68,868.70 : x
  2. Step 2: Convert to fraction form
    202,000.30/303,000.45 = 68,868.70/x
  3. Step 3: Cross multiply
    202,000.30x = 303,000.45 × 68,868.70
  4. Step 4: Simplify right side
    202,000.30x = 20,867,247,090.92
  5. Step 5: Solve for x
    x = 20,867,247,090.92/202,000.30
  6. Step 6: Final answer
    x = 103,303.05

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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.