Home / 211,517.56-317,305.50-71,316.28

Finding the Fourth Proportional to 211,517.56, 317,305.50 and 71,316.28

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Solution

The fourth proportional to 211,517.56, 317,305.50 and 71,316.28 is: 106,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,517.56 : 317,305.50 = 71,316.28 : x
  2. Step 2: Convert to fraction form
    211,517.56/317,305.50 = 71,316.28/x
  3. Step 3: Cross multiply
    211,517.56x = 317,305.50 × 71,316.28
  4. Step 4: Simplify right side
    211,517.56x = 22,629,047,883.54
  5. Step 5: Solve for x
    x = 22,629,047,883.54/211,517.56
  6. Step 6: Final answer
    x = 106,984.25

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1.5x scale

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.