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Finding the Fourth Proportional to 208,279.62, 312,169.02 and 95,804.88

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Solution

The fourth proportional to 208,279.62, 312,169.02 and 95,804.88 is: 143,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,279.62 : 312,169.02 = 95,804.88 : x
  2. Step 2: Convert to fraction form
    208,279.62/312,169.02 = 95,804.88/x
  3. Step 3: Cross multiply
    208,279.62x = 312,169.02 × 95,804.88
  4. Step 4: Simplify right side
    208,279.62x = 29,907,315,500.82
  5. Step 5: Solve for x
    x = 29,907,315,500.82/208,279.62
  6. Step 6: Final answer
    x = 143,592.14

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1.5x scale

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.