Home / 211,460.56-317,191.38-71,317.60

Finding the Fourth Proportional to 211,460.56, 317,191.38 and 71,317.60

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Solution

The fourth proportional to 211,460.56, 317,191.38 and 71,317.60 is: 106,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,460.56 : 317,191.38 = 71,317.60 : x
  2. Step 2: Convert to fraction form
    211,460.56/317,191.38 = 71,317.60/x
  3. Step 3: Cross multiply
    211,460.56x = 317,191.38 × 71,317.60
  4. Step 4: Simplify right side
    211,460.56x = 22,621,327,962.29
  5. Step 5: Solve for x
    x = 22,621,327,962.29/211,460.56
  6. Step 6: Final answer
    x = 106,976.58

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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.