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Finding the Fourth Proportional to 376,636.98, 565,042.41 and 110,418.06

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Solution

The fourth proportional to 376,636.98, 565,042.41 and 110,418.06 is: 165,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,636.98 : 565,042.41 = 110,418.06 : x
  2. Step 2: Convert to fraction form
    376,636.98/565,042.41 = 110,418.06/x
  3. Step 3: Cross multiply
    376,636.98x = 565,042.41 × 110,418.06
  4. Step 4: Simplify right side
    376,636.98x = 62,390,886,729.92
  5. Step 5: Solve for x
    x = 62,390,886,729.92/376,636.98
  6. Step 6: Final answer
    x = 165,652.58

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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.