Home / 268,778.40-370,914.48-147,928.44

Finding the Fourth Proportional to 268,778.40, 370,914.48 and 147,928.44

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Solution

The fourth proportional to 268,778.40, 370,914.48 and 147,928.44 is: 204,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,778.40 : 370,914.48 = 147,928.44 : x
  2. Step 2: Convert to fraction form
    268,778.40/370,914.48 = 147,928.44/x
  3. Step 3: Cross multiply
    268,778.40x = 370,914.48 × 147,928.44
  4. Step 4: Simplify right side
    268,778.40x = 54,868,800,399.81
  5. Step 5: Solve for x
    x = 54,868,800,399.81/268,778.40
  6. Step 6: Final answer
    x = 204,141.41

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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.