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Finding the Fourth Proportional to 379,024.52, 568,415.82 and 154,384.52

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Solution

The fourth proportional to 379,024.52, 568,415.82 and 154,384.52 is: 231,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,024.52 : 568,415.82 = 154,384.52 : x
  2. Step 2: Convert to fraction form
    379,024.52/568,415.82 = 154,384.52/x
  3. Step 3: Cross multiply
    379,024.52x = 568,415.82 × 154,384.52
  4. Step 4: Simplify right side
    379,024.52x = 87,754,603,531.11
  5. Step 5: Solve for x
    x = 87,754,603,531.11/379,024.52
  6. Step 6: Final answer
    x = 231,527.51

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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.