Home / 388,964.25-583,544.84-108,481.50

Finding the Fourth Proportional to 388,964.25, 583,544.84 and 108,481.50

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Solution

The fourth proportional to 388,964.25, 583,544.84 and 108,481.50 is: 162,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,964.25 : 583,544.84 = 108,481.50 : x
  2. Step 2: Convert to fraction form
    388,964.25/583,544.84 = 108,481.50/x
  3. Step 3: Cross multiply
    388,964.25x = 583,544.84 × 108,481.50
  4. Step 4: Simplify right side
    388,964.25x = 63,303,819,018.05
  5. Step 5: Solve for x
    x = 63,303,819,018.05/388,964.25
  6. Step 6: Final answer
    x = 162,749.71

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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.