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Finding the Fourth Proportional to 301,874.10, 452,811.15 and 202,341.30

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Solution

The fourth proportional to 301,874.10, 452,811.15 and 202,341.30 is: 303,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,874.10 : 452,811.15 = 202,341.30 : x
  2. Step 2: Convert to fraction form
    301,874.10/452,811.15 = 202,341.30/x
  3. Step 3: Cross multiply
    301,874.10x = 452,811.15 × 202,341.30
  4. Step 4: Simplify right side
    301,874.10x = 91,622,396,745.50
  5. Step 5: Solve for x
    x = 91,622,396,745.50/301,874.10
  6. Step 6: Final answer
    x = 303,511.95

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Double scale
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Similar ratio
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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.