Home / 325,868.47-449,725.11-180,719.71

Finding the Fourth Proportional to 325,868.47, 449,725.11 and 180,719.71

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Solution

The fourth proportional to 325,868.47, 449,725.11 and 180,719.71 is: 249,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,868.47 : 449,725.11 = 180,719.71 : x
  2. Step 2: Convert to fraction form
    325,868.47/449,725.11 = 180,719.71/x
  3. Step 3: Cross multiply
    325,868.47x = 449,725.11 × 180,719.71
  4. Step 4: Simplify right side
    325,868.47x = 81,274,191,458.92
  5. Step 5: Solve for x
    x = 81,274,191,458.92/325,868.47
  6. Step 6: Final answer
    x = 249,407.96

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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.