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Finding the Fourth Proportional to 636,103.21, 954,627.83 and 257,027.24

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Solution

The fourth proportional to 636,103.21, 954,627.83 and 257,027.24 is: 385,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,103.21 : 954,627.83 = 257,027.24 : x
  2. Step 2: Convert to fraction form
    636,103.21/954,627.83 = 257,027.24/x
  3. Step 3: Cross multiply
    636,103.21x = 954,627.83 × 257,027.24
  4. Step 4: Simplify right side
    636,103.21x = 245,365,356,372.09
  5. Step 5: Solve for x
    x = 245,365,356,372.09/636,103.21
  6. Step 6: Final answer
    x = 385,731.99

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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.