Home / 211,608.20-317,379.50-61,808.27

Finding the Fourth Proportional to 211,608.20, 317,379.50 and 61,808.27

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Solution

The fourth proportional to 211,608.20, 317,379.50 and 61,808.27 is: 92,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,608.20 : 317,379.50 = 61,808.27 : x
  2. Step 2: Convert to fraction form
    211,608.20/317,379.50 = 61,808.27/x
  3. Step 3: Cross multiply
    211,608.20x = 317,379.50 × 61,808.27
  4. Step 4: Simplify right side
    211,608.20x = 19,616,675,932.53
  5. Step 5: Solve for x
    x = 19,616,675,932.53/211,608.20
  6. Step 6: Final answer
    x = 92,702.81

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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.