Home / 351,899.56-485,647.14-200,993.32

Finding the Fourth Proportional to 351,899.56, 485,647.14 and 200,993.32

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Solution

The fourth proportional to 351,899.56, 485,647.14 and 200,993.32 is: 277,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,899.56 : 485,647.14 = 200,993.32 : x
  2. Step 2: Convert to fraction form
    351,899.56/485,647.14 = 200,993.32/x
  3. Step 3: Cross multiply
    351,899.56x = 485,647.14 × 200,993.32
  4. Step 4: Simplify right side
    351,899.56x = 97,611,831,017.10
  5. Step 5: Solve for x
    x = 97,611,831,017.10/351,899.56
  6. Step 6: Final answer
    x = 277,385.49

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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.