Home / 211,380.84-317,042.09-116,785.80

Finding the Fourth Proportional to 211,380.84, 317,042.09 and 116,785.80

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Solution

The fourth proportional to 211,380.84, 317,042.09 and 116,785.80 is: 175,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,380.84 : 317,042.09 = 116,785.80 : x
  2. Step 2: Convert to fraction form
    211,380.84/317,042.09 = 116,785.80/x
  3. Step 3: Cross multiply
    211,380.84x = 317,042.09 × 116,785.80
  4. Step 4: Simplify right side
    211,380.84x = 37,026,012,529.11
  5. Step 5: Solve for x
    x = 37,026,012,529.11/211,380.84
  6. Step 6: Final answer
    x = 175,162.58

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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.