Home / 211,614.49-317,510.76-131,719.27

Finding the Fourth Proportional to 211,614.49, 317,510.76 and 131,719.27

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Solution

The fourth proportional to 211,614.49, 317,510.76 and 131,719.27 is: 197,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,614.49 : 317,510.76 = 131,719.27 : x
  2. Step 2: Convert to fraction form
    211,614.49/317,510.76 = 131,719.27/x
  3. Step 3: Cross multiply
    211,614.49x = 317,510.76 × 131,719.27
  4. Step 4: Simplify right side
    211,614.49x = 41,822,285,524.35
  5. Step 5: Solve for x
    x = 41,822,285,524.35/211,614.49
  6. Step 6: Final answer
    x = 197,634.32

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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.