Home / 211,584.12-317,374.81-53,811.21

Finding the Fourth Proportional to 211,584.12, 317,374.81 and 53,811.21

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Solution

The fourth proportional to 211,584.12, 317,374.81 and 53,811.21 is: 80,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,584.12 : 317,374.81 = 53,811.21 : x
  2. Step 2: Convert to fraction form
    211,584.12/317,374.81 = 53,811.21/x
  3. Step 3: Cross multiply
    211,584.12x = 317,374.81 × 53,811.21
  4. Step 4: Simplify right side
    211,584.12x = 17,078,322,549.62
  5. Step 5: Solve for x
    x = 17,078,322,549.62/211,584.12
  6. Step 6: Final answer
    x = 80,716.47

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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.