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Finding the Fourth Proportional to 117,288.79, 175,932.97 and 33,048.79

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Solution

The fourth proportional to 117,288.79, 175,932.97 and 33,048.79 is: 49,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,288.79 : 175,932.97 = 33,048.79 : x
  2. Step 2: Convert to fraction form
    117,288.79/175,932.97 = 33,048.79/x
  3. Step 3: Cross multiply
    117,288.79x = 175,932.97 × 33,048.79
  4. Step 4: Simplify right side
    117,288.79x = 5,814,371,779.61
  5. Step 5: Solve for x
    x = 5,814,371,779.61/117,288.79
  6. Step 6: Final answer
    x = 49,573.12

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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.