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Finding the Fourth Proportional to 188,595.94, 282,885.38 and 55,480.54

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Solution

The fourth proportional to 188,595.94, 282,885.38 and 55,480.54 is: 83,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,595.94 : 282,885.38 = 55,480.54 : x
  2. Step 2: Convert to fraction form
    188,595.94/282,885.38 = 55,480.54/x
  3. Step 3: Cross multiply
    188,595.94x = 282,885.38 × 55,480.54
  4. Step 4: Simplify right side
    188,595.94x = 15,694,633,640.51
  5. Step 5: Solve for x
    x = 15,694,633,640.51/188,595.94
  6. Step 6: Final answer
    x = 83,218.30

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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.