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Finding the Fourth Proportional to 215,554.33, 322,779.42 and 179,927.06

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Solution

The fourth proportional to 215,554.33, 322,779.42 and 179,927.06 is: 269,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,554.33 : 322,779.42 = 179,927.06 : x
  2. Step 2: Convert to fraction form
    215,554.33/322,779.42 = 179,927.06/x
  3. Step 3: Cross multiply
    215,554.33x = 322,779.42 × 179,927.06
  4. Step 4: Simplify right side
    215,554.33x = 58,076,752,069.11
  5. Step 5: Solve for x
    x = 58,076,752,069.11/215,554.33
  6. Step 6: Final answer
    x = 269,429.76

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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.