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Finding the Fourth Proportional to 202,368.70, 303,553.05 and 199,258.30

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Solution

The fourth proportional to 202,368.70, 303,553.05 and 199,258.30 is: 298,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,368.70 : 303,553.05 = 199,258.30 : x
  2. Step 2: Convert to fraction form
    202,368.70/303,553.05 = 199,258.30/x
  3. Step 3: Cross multiply
    202,368.70x = 303,553.05 × 199,258.30
  4. Step 4: Simplify right side
    202,368.70x = 60,485,464,702.82
  5. Step 5: Solve for x
    x = 60,485,464,702.82/202,368.70
  6. Step 6: Final answer
    x = 298,887.45

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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.