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Finding the Fourth Proportional to 198,056.80, 297,103.07 and 55,903.65

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Solution

The fourth proportional to 198,056.80, 297,103.07 and 55,903.65 is: 83,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,056.80 : 297,103.07 = 55,903.65 : x
  2. Step 2: Convert to fraction form
    198,056.80/297,103.07 = 55,903.65/x
  3. Step 3: Cross multiply
    198,056.80x = 297,103.07 × 55,903.65
  4. Step 4: Simplify right side
    198,056.80x = 16,609,146,039.21
  5. Step 5: Solve for x
    x = 16,609,146,039.21/198,056.80
  6. Step 6: Final answer
    x = 83,860.52

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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.