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Finding the Fourth Proportional to 371,215.10, 512,276.82 and 201,449.22

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Solution

The fourth proportional to 371,215.10, 512,276.82 and 201,449.22 is: 277,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,215.10 : 512,276.82 = 201,449.22 : x
  2. Step 2: Convert to fraction form
    371,215.10/512,276.82 = 201,449.22/x
  3. Step 3: Cross multiply
    371,215.10x = 512,276.82 × 201,449.22
  4. Step 4: Simplify right side
    371,215.10x = 103,197,765,813.08
  5. Step 5: Solve for x
    x = 103,197,765,813.08/371,215.10
  6. Step 6: Final answer
    x = 277,999.92

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