Home / 211,584.63-317,375.55-53,811.72

Finding the Fourth Proportional to 211,584.63, 317,375.55 and 53,811.72

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Solution

The fourth proportional to 211,584.63, 317,375.55 and 53,811.72 is: 80,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,584.63 : 317,375.55 = 53,811.72 : x
  2. Step 2: Convert to fraction form
    211,584.63/317,375.55 = 53,811.72/x
  3. Step 3: Cross multiply
    211,584.63x = 317,375.55 × 53,811.72
  4. Step 4: Simplify right side
    211,584.63x = 17,078,524,231.45
  5. Step 5: Solve for x
    x = 17,078,524,231.45/211,584.63
  6. Step 6: Final answer
    x = 80,717.23

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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.