Home / 408,480.45-612,725.03-124,217.24

Finding the Fourth Proportional to 408,480.45, 612,725.03 and 124,217.24

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Solution

The fourth proportional to 408,480.45, 612,725.03 and 124,217.24 is: 186,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,480.45 : 612,725.03 = 124,217.24 : x
  2. Step 2: Convert to fraction form
    408,480.45/612,725.03 = 124,217.24/x
  3. Step 3: Cross multiply
    408,480.45x = 612,725.03 × 124,217.24
  4. Step 4: Simplify right side
    408,480.45x = 76,111,008,420.81
  5. Step 5: Solve for x
    x = 76,111,008,420.81/408,480.45
  6. Step 6: Final answer
    x = 186,327.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.