Home / 298,664.10-447,990.39-74,025

Finding the Fourth Proportional to 298,664.10, 447,990.39 and 74,025

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Solution

The fourth proportional to 298,664.10, 447,990.39 and 74,025 is: 111,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,664.10 : 447,990.39 = 74,025 : x
  2. Step 2: Convert to fraction form
    298,664.10/447,990.39 = 74,025/x
  3. Step 3: Cross multiply
    298,664.10x = 447,990.39 × 74,025
  4. Step 4: Simplify right side
    298,664.10x = 33,162,488,619.75
  5. Step 5: Solve for x
    x = 33,162,488,619.75/298,664.10
  6. Step 6: Final answer
    x = 111,036.07

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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.