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Finding the Fourth Proportional to 325,866.24, 449,556.48 and 225,089.28

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Solution

The fourth proportional to 325,866.24, 449,556.48 and 225,089.28 is: 310,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,866.24 : 449,556.48 = 225,089.28 : x
  2. Step 2: Convert to fraction form
    325,866.24/449,556.48 = 225,089.28/x
  3. Step 3: Cross multiply
    325,866.24x = 449,556.48 × 225,089.28
  4. Step 4: Simplify right side
    325,866.24x = 101,190,344,402.53
  5. Step 5: Solve for x
    x = 101,190,344,402.53/325,866.24
  6. Step 6: Final answer
    x = 310,527.24

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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.