Home / 211,786.32-317,383.74-117,061.80

Finding the Fourth Proportional to 211,786.32, 317,383.74 and 117,061.80

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Solution

The fourth proportional to 211,786.32, 317,383.74 and 117,061.80 is: 175,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,786.32 : 317,383.74 = 117,061.80 : x
  2. Step 2: Convert to fraction form
    211,786.32/317,383.74 = 117,061.80/x
  3. Step 3: Cross multiply
    211,786.32x = 317,383.74 × 117,061.80
  4. Step 4: Simplify right side
    211,786.32x = 37,153,511,895.13
  5. Step 5: Solve for x
    x = 37,153,511,895.13/211,786.32
  6. Step 6: Final answer
    x = 175,429.23

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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.