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Finding the Fourth Proportional to 200,957.97, 277,451.91 and 124,558.32

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Solution

The fourth proportional to 200,957.97, 277,451.91 and 124,558.32 is: 171,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,957.97 : 277,451.91 = 124,558.32 : x
  2. Step 2: Convert to fraction form
    200,957.97/277,451.91 = 124,558.32/x
  3. Step 3: Cross multiply
    200,957.97x = 277,451.91 × 124,558.32
  4. Step 4: Simplify right side
    200,957.97x = 34,558,943,790.39
  5. Step 5: Solve for x
    x = 34,558,943,790.39/200,957.97
  6. Step 6: Final answer
    x = 171,971.00

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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.