Home / 198,946.22-298,409.61-74,277.50

Finding the Fourth Proportional to 198,946.22, 298,409.61 and 74,277.50

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Solution

The fourth proportional to 198,946.22, 298,409.61 and 74,277.50 is: 111,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,946.22 : 298,409.61 = 74,277.50 : x
  2. Step 2: Convert to fraction form
    198,946.22/298,409.61 = 74,277.50/x
  3. Step 3: Cross multiply
    198,946.22x = 298,409.61 × 74,277.50
  4. Step 4: Simplify right side
    198,946.22x = 22,165,119,806.78
  5. Step 5: Solve for x
    x = 22,165,119,806.78/198,946.22
  6. Step 6: Final answer
    x = 111,412.62

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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.