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Finding the Fourth Proportional to 374,276.69, 560,408.99 and 285,105.41

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Solution

The fourth proportional to 374,276.69, 560,408.99 and 285,105.41 is: 426,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,276.69 : 560,408.99 = 285,105.41 : x
  2. Step 2: Convert to fraction form
    374,276.69/560,408.99 = 285,105.41/x
  3. Step 3: Cross multiply
    374,276.69x = 560,408.99 × 285,105.41
  4. Step 4: Simplify right side
    374,276.69x = 159,775,634,861.64
  5. Step 5: Solve for x
    x = 159,775,634,861.64/374,276.69
  6. Step 6: Final answer
    x = 426,891.76

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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.