Home / 324,969.50-448,570.64-223,331.40

Finding the Fourth Proportional to 324,969.50, 448,570.64 and 223,331.40

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Solution

The fourth proportional to 324,969.50, 448,570.64 and 223,331.40 is: 308,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,969.50 : 448,570.64 = 223,331.40 : x
  2. Step 2: Convert to fraction form
    324,969.50/448,570.64 = 223,331.40/x
  3. Step 3: Cross multiply
    324,969.50x = 448,570.64 × 223,331.40
  4. Step 4: Simplify right side
    324,969.50x = 100,179,907,913.44
  5. Step 5: Solve for x
    x = 100,179,907,913.44/324,969.50
  6. Step 6: Final answer
    x = 308,274.81

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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.