Home / 199,025.60-298,538.40-51,281.60

Finding the Fourth Proportional to 199,025.60, 298,538.40 and 51,281.60

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Solution

The fourth proportional to 199,025.60, 298,538.40 and 51,281.60 is: 76,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,025.60 : 298,538.40 = 51,281.60 : x
  2. Step 2: Convert to fraction form
    199,025.60/298,538.40 = 51,281.60/x
  3. Step 3: Cross multiply
    199,025.60x = 298,538.40 × 51,281.60
  4. Step 4: Simplify right side
    199,025.60x = 15,309,526,813.44
  5. Step 5: Solve for x
    x = 15,309,526,813.44/199,025.60
  6. Step 6: Final answer
    x = 76,922.40

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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.