Home / 227,310.68-313,560.24-142,280.12

Finding the Fourth Proportional to 227,310.68, 313,560.24 and 142,280.12

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Solution

The fourth proportional to 227,310.68, 313,560.24 and 142,280.12 is: 196,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,310.68 : 313,560.24 = 142,280.12 : x
  2. Step 2: Convert to fraction form
    227,310.68/313,560.24 = 142,280.12/x
  3. Step 3: Cross multiply
    227,310.68x = 313,560.24 × 142,280.12
  4. Step 4: Simplify right side
    227,310.68x = 44,613,388,574.43
  5. Step 5: Solve for x
    x = 44,613,388,574.43/227,310.68
  6. Step 6: Final answer
    x = 196,266.13

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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.