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Finding the Fourth Proportional to 286,755.56, 395,724.75 and 179,386.64

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Solution

The fourth proportional to 286,755.56, 395,724.75 and 179,386.64 is: 247,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,755.56 : 395,724.75 = 179,386.64 : x
  2. Step 2: Convert to fraction form
    286,755.56/395,724.75 = 179,386.64/x
  3. Step 3: Cross multiply
    286,755.56x = 395,724.75 × 179,386.64
  4. Step 4: Simplify right side
    286,755.56x = 70,987,733,267.34
  5. Step 5: Solve for x
    x = 70,987,733,267.34/286,755.56
  6. Step 6: Final answer
    x = 247,554.86

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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.