Home / 325,384.68-449,084.60-223,326.30

Finding the Fourth Proportional to 325,384.68, 449,084.60 and 223,326.30

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Solution

The fourth proportional to 325,384.68, 449,084.60 and 223,326.30 is: 308,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,384.68 : 449,084.60 = 223,326.30 : x
  2. Step 2: Convert to fraction form
    325,384.68/449,084.60 = 223,326.30/x
  3. Step 3: Cross multiply
    325,384.68x = 449,084.60 × 223,326.30
  4. Step 4: Simplify right side
    325,384.68x = 100,292,398,742.93
  5. Step 5: Solve for x
    x = 100,292,398,742.93/325,384.68
  6. Step 6: Final answer
    x = 308,227.17

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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.