Home / 198,579.60-297,869.40-114,598.80

Finding the Fourth Proportional to 198,579.60, 297,869.40 and 114,598.80

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Solution

The fourth proportional to 198,579.60, 297,869.40 and 114,598.80 is: 171,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,579.60 : 297,869.40 = 114,598.80 : x
  2. Step 2: Convert to fraction form
    198,579.60/297,869.40 = 114,598.80/x
  3. Step 3: Cross multiply
    198,579.60x = 297,869.40 × 114,598.80
  4. Step 4: Simplify right side
    198,579.60x = 34,135,475,796.72
  5. Step 5: Solve for x
    x = 34,135,475,796.72/198,579.60
  6. Step 6: Final answer
    x = 171,898.20

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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.