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Finding the Fourth Proportional to 198,224.48, 297,258.96 and 79,873.76

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Solution

The fourth proportional to 198,224.48, 297,258.96 and 79,873.76 is: 119,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,224.48 : 297,258.96 = 79,873.76 : x
  2. Step 2: Convert to fraction form
    198,224.48/297,258.96 = 79,873.76/x
  3. Step 3: Cross multiply
    198,224.48x = 297,258.96 × 79,873.76
  4. Step 4: Simplify right side
    198,224.48x = 23,743,190,828.89
  5. Step 5: Solve for x
    x = 23,743,190,828.89/198,224.48
  6. Step 6: Final answer
    x = 119,779.31

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1.5x scale

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.