Home / 208,288.26-312,299.96-176,709.20

Finding the Fourth Proportional to 208,288.26, 312,299.96 and 176,709.20

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Solution

The fourth proportional to 208,288.26, 312,299.96 and 176,709.20 is: 264,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,288.26 : 312,299.96 = 176,709.20 : x
  2. Step 2: Convert to fraction form
    208,288.26/312,299.96 = 176,709.20/x
  3. Step 3: Cross multiply
    208,288.26x = 312,299.96 × 176,709.20
  4. Step 4: Simplify right side
    208,288.26x = 55,186,273,646.59
  5. Step 5: Solve for x
    x = 55,186,273,646.59/208,288.26
  6. Step 6: Final answer
    x = 264,951.44

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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.