Home / 325,622.31-449,412.75-223,564.20

Finding the Fourth Proportional to 325,622.31, 449,412.75 and 223,564.20

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Solution

The fourth proportional to 325,622.31, 449,412.75 and 223,564.20 is: 308,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,622.31 : 449,412.75 = 223,564.20 : x
  2. Step 2: Convert to fraction form
    325,622.31/449,412.75 = 223,564.20/x
  3. Step 3: Cross multiply
    325,622.31x = 449,412.75 × 223,564.20
  4. Step 4: Simplify right side
    325,622.31x = 100,472,601,923.55
  5. Step 5: Solve for x
    x = 100,472,601,923.55/325,622.31
  6. Step 6: Final answer
    x = 308,555.65

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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.