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Finding the Fourth Proportional to 200,371.83, 276,511.15 and 108,490.67

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Solution

The fourth proportional to 200,371.83, 276,511.15 and 108,490.67 is: 149,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371.83 : 276,511.15 = 108,490.67 : x
  2. Step 2: Convert to fraction form
    200,371.83/276,511.15 = 108,490.67/x
  3. Step 3: Cross multiply
    200,371.83x = 276,511.15 × 108,490.67
  4. Step 4: Simplify right side
    200,371.83x = 29,998,878,000.96
  5. Step 5: Solve for x
    x = 29,998,878,000.96/200,371.83
  6. Step 6: Final answer
    x = 149,716.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.