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Finding the Fourth Proportional to 235,606.94, 353,523.93 and 117,288.70

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Solution

The fourth proportional to 235,606.94, 353,523.93 and 117,288.70 is: 175,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,606.94 : 353,523.93 = 117,288.70 : x
  2. Step 2: Convert to fraction form
    235,606.94/353,523.93 = 117,288.70/x
  3. Step 3: Cross multiply
    235,606.94x = 353,523.93 × 117,288.70
  4. Step 4: Simplify right side
    235,606.94x = 41,464,362,168.59
  5. Step 5: Solve for x
    x = 41,464,362,168.59/235,606.94
  6. Step 6: Final answer
    x = 175,989.56

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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.