Home / 325,385.43-449,085.63-223,327.05

Finding the Fourth Proportional to 325,385.43, 449,085.63 and 223,327.05

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Solution

The fourth proportional to 325,385.43, 449,085.63 and 223,327.05 is: 308,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,385.43 : 449,085.63 = 223,327.05 : x
  2. Step 2: Convert to fraction form
    325,385.43/449,085.63 = 223,327.05/x
  3. Step 3: Cross multiply
    325,385.43x = 449,085.63 × 223,327.05
  4. Step 4: Simplify right side
    325,385.43x = 100,292,968,945.29
  5. Step 5: Solve for x
    x = 100,292,968,945.29/325,385.43
  6. Step 6: Final answer
    x = 308,228.21

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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.