Home / 298,717.87-447,904.27-98,984.43

Finding the Fourth Proportional to 298,717.87, 447,904.27 and 98,984.43

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Solution

The fourth proportional to 298,717.87, 447,904.27 and 98,984.43 is: 148,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,717.87 : 447,904.27 = 98,984.43 : x
  2. Step 2: Convert to fraction form
    298,717.87/447,904.27 = 98,984.43/x
  3. Step 3: Cross multiply
    298,717.87x = 447,904.27 × 98,984.43
  4. Step 4: Simplify right side
    298,717.87x = 44,335,548,860.52
  5. Step 5: Solve for x
    x = 44,335,548,860.52/298,717.87
  6. Step 6: Final answer
    x = 148,419.47

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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.