Home / 298,816.20-448,290.90-109,272.37

Finding the Fourth Proportional to 298,816.20, 448,290.90 and 109,272.37

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Solution

The fourth proportional to 298,816.20, 448,290.90 and 109,272.37 is: 163,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,816.20 : 448,290.90 = 109,272.37 : x
  2. Step 2: Convert to fraction form
    298,816.20/448,290.90 = 109,272.37/x
  3. Step 3: Cross multiply
    298,816.20x = 448,290.90 × 109,272.37
  4. Step 4: Simplify right side
    298,816.20x = 48,985,806,860.69
  5. Step 5: Solve for x
    x = 48,985,806,860.69/298,816.20
  6. Step 6: Final answer
    x = 163,932.90

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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.