Home / 211,863.40-317,795.60-51,940.04

Finding the Fourth Proportional to 211,863.40, 317,795.60 and 51,940.04

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Solution

The fourth proportional to 211,863.40, 317,795.60 and 51,940.04 is: 77,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,863.40 : 317,795.60 = 51,940.04 : x
  2. Step 2: Convert to fraction form
    211,863.40/317,795.60 = 51,940.04/x
  3. Step 3: Cross multiply
    211,863.40x = 317,795.60 × 51,940.04
  4. Step 4: Simplify right side
    211,863.40x = 16,506,314,716.70
  5. Step 5: Solve for x
    x = 16,506,314,716.70/211,863.40
  6. Step 6: Final answer
    x = 77,910.18

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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.