Home / 271,490.82-407,294.74-81,935.32

Finding the Fourth Proportional to 271,490.82, 407,294.74 and 81,935.32

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Solution

The fourth proportional to 271,490.82, 407,294.74 and 81,935.32 is: 122,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,490.82 : 407,294.74 = 81,935.32 : x
  2. Step 2: Convert to fraction form
    271,490.82/407,294.74 = 81,935.32/x
  3. Step 3: Cross multiply
    271,490.82x = 407,294.74 × 81,935.32
  4. Step 4: Simplify right side
    271,490.82x = 33,371,824,856.22
  5. Step 5: Solve for x
    x = 33,371,824,856.22/271,490.82
  6. Step 6: Final answer
    x = 122,920.64

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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.