Home / 325,928.13-449,781.81-180,744.12

Finding the Fourth Proportional to 325,928.13, 449,781.81 and 180,744.12

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Solution

The fourth proportional to 325,928.13, 449,781.81 and 180,744.12 is: 249,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,928.13 : 449,781.81 = 180,744.12 : x
  2. Step 2: Convert to fraction form
    325,928.13/449,781.81 = 180,744.12/x
  3. Step 3: Cross multiply
    325,928.13x = 449,781.81 × 180,744.12
  4. Step 4: Simplify right side
    325,928.13x = 81,295,417,440.46
  5. Step 5: Solve for x
    x = 81,295,417,440.46/325,928.13
  6. Step 6: Final answer
    x = 249,427.43

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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.