Home / 211,844.40-317,766.24-54,072.80

Finding the Fourth Proportional to 211,844.40, 317,766.24 and 54,072.80

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Solution

The fourth proportional to 211,844.40, 317,766.24 and 54,072.80 is: 81,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,844.40 : 317,766.24 = 54,072.80 : x
  2. Step 2: Convert to fraction form
    211,844.40/317,766.24 = 54,072.80/x
  3. Step 3: Cross multiply
    211,844.40x = 317,766.24 × 54,072.80
  4. Step 4: Simplify right side
    211,844.40x = 17,182,510,342.27
  5. Step 5: Solve for x
    x = 17,182,510,342.27/211,844.40
  6. Step 6: Final answer
    x = 81,109.11

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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.