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Finding the Fourth Proportional to 540,170.05, 745,414.57 and 298,447.42

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Solution

The fourth proportional to 540,170.05, 745,414.57 and 298,447.42 is: 411,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,170.05 : 745,414.57 = 298,447.42 : x
  2. Step 2: Convert to fraction form
    540,170.05/745,414.57 = 298,447.42/x
  3. Step 3: Cross multiply
    540,170.05x = 745,414.57 × 298,447.42
  4. Step 4: Simplify right side
    540,170.05x = 222,467,054,129.49
  5. Step 5: Solve for x
    x = 222,467,054,129.49/540,170.05
  6. Step 6: Final answer
    x = 411,846.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.