Home / 211,524.93-317,384.28-91,618.55

Finding the Fourth Proportional to 211,524.93, 317,384.28 and 91,618.55

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Solution

The fourth proportional to 211,524.93, 317,384.28 and 91,618.55 is: 137,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,524.93 : 317,384.28 = 91,618.55 : x
  2. Step 2: Convert to fraction form
    211,524.93/317,384.28 = 91,618.55/x
  3. Step 3: Cross multiply
    211,524.93x = 317,384.28 × 91,618.55
  4. Step 4: Simplify right side
    211,524.93x = 29,078,285,939.47
  5. Step 5: Solve for x
    x = 29,078,285,939.47/211,524.93
  6. Step 6: Final answer
    x = 137,469.78

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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.