Home / 242,578.20-363,867.30-76,344.60

Finding the Fourth Proportional to 242,578.20, 363,867.30 and 76,344.60

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Solution

The fourth proportional to 242,578.20, 363,867.30 and 76,344.60 is: 114,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,578.20 : 363,867.30 = 76,344.60 : x
  2. Step 2: Convert to fraction form
    242,578.20/363,867.30 = 76,344.60/x
  3. Step 3: Cross multiply
    242,578.20x = 363,867.30 × 76,344.60
  4. Step 4: Simplify right side
    242,578.20x = 27,779,303,471.58
  5. Step 5: Solve for x
    x = 27,779,303,471.58/242,578.20
  6. Step 6: Final answer
    x = 114,516.90

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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.