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Finding the Fourth Proportional to 351,635.60, 485,257.35 and 190,491.29

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Solution

The fourth proportional to 351,635.60, 485,257.35 and 190,491.29 is: 262,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,635.60 : 485,257.35 = 190,491.29 : x
  2. Step 2: Convert to fraction form
    351,635.60/485,257.35 = 190,491.29/x
  3. Step 3: Cross multiply
    351,635.60x = 485,257.35 × 190,491.29
  4. Step 4: Simplify right side
    351,635.60x = 92,437,296,157.19
  5. Step 5: Solve for x
    x = 92,437,296,157.19/351,635.60
  6. Step 6: Final answer
    x = 262,878.10

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Why These Related Problems?

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