Home / 230,120.20-317,559.96-223,329.56

Finding the Fourth Proportional to 230,120.20, 317,559.96 and 223,329.56

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Solution

The fourth proportional to 230,120.20, 317,559.96 and 223,329.56 is: 308,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,120.20 : 317,559.96 = 223,329.56 : x
  2. Step 2: Convert to fraction form
    230,120.20/317,559.96 = 223,329.56/x
  3. Step 3: Cross multiply
    230,120.20x = 317,559.96 × 223,329.56
  4. Step 4: Simplify right side
    230,120.20x = 70,920,526,140.42
  5. Step 5: Solve for x
    x = 70,920,526,140.42/230,120.20
  6. Step 6: Final answer
    x = 308,189.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.