Home / 351,635.58-485,266.14-208,372.50

Finding the Fourth Proportional to 351,635.58, 485,266.14 and 208,372.50

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Solution

The fourth proportional to 351,635.58, 485,266.14 and 208,372.50 is: 287,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,635.58 : 485,266.14 = 208,372.50 : x
  2. Step 2: Convert to fraction form
    351,635.58/485,266.14 = 208,372.50/x
  3. Step 3: Cross multiply
    351,635.58x = 485,266.14 × 208,372.50
  4. Step 4: Simplify right side
    351,635.58x = 101,116,118,757.15
  5. Step 5: Solve for x
    x = 101,116,118,757.15/351,635.58
  6. Step 6: Final answer
    x = 287,559.41

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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.