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Finding the Fourth Proportional to 208,773.77, 313,318.09 and 152,758.39

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Solution

The fourth proportional to 208,773.77, 313,318.09 and 152,758.39 is: 229,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,773.77 : 313,318.09 = 152,758.39 : x
  2. Step 2: Convert to fraction form
    208,773.77/313,318.09 = 152,758.39/x
  3. Step 3: Cross multiply
    208,773.77x = 313,318.09 × 152,758.39
  4. Step 4: Simplify right side
    208,773.77x = 47,861,967,658.76
  5. Step 5: Solve for x
    x = 47,861,967,658.76/208,773.77
  6. Step 6: Final answer
    x = 229,252.79

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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.