Home / 325,741.19-449,548.29-209,558.40

Finding the Fourth Proportional to 325,741.19, 449,548.29 and 209,558.40

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Solution

The fourth proportional to 325,741.19, 449,548.29 and 209,558.40 is: 289,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,741.19 : 449,548.29 = 209,558.40 : x
  2. Step 2: Convert to fraction form
    325,741.19/449,548.29 = 209,558.40/x
  3. Step 3: Cross multiply
    325,741.19x = 449,548.29 × 209,558.40
  4. Step 4: Simplify right side
    325,741.19x = 94,206,620,375.14
  5. Step 5: Solve for x
    x = 94,206,620,375.14/325,741.19
  6. Step 6: Final answer
    x = 289,206.97

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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.