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Finding the Fourth Proportional to 436,338.40, 654,505.20 and 120,793.12

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Solution

The fourth proportional to 436,338.40, 654,505.20 and 120,793.12 is: 181,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,338.40 : 654,505.20 = 120,793.12 : x
  2. Step 2: Convert to fraction form
    436,338.40/654,505.20 = 120,793.12/x
  3. Step 3: Cross multiply
    436,338.40x = 654,505.20 × 120,793.12
  4. Step 4: Simplify right side
    436,338.40x = 79,059,725,164.22
  5. Step 5: Solve for x
    x = 79,059,725,164.22/436,338.40
  6. Step 6: Final answer
    x = 181,189.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.