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Finding the Fourth Proportional to 636,197.08, 954,606.90 and 299,271.73

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Solution

The fourth proportional to 636,197.08, 954,606.90 and 299,271.73 is: 449,054.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,197.08 : 954,606.90 = 299,271.73 : x
  2. Step 2: Convert to fraction form
    636,197.08/954,606.90 = 299,271.73/x
  3. Step 3: Cross multiply
    636,197.08x = 954,606.90 × 299,271.73
  4. Step 4: Simplify right side
    636,197.08x = 285,686,858,432.94
  5. Step 5: Solve for x
    x = 285,686,858,432.94/636,197.08
  6. Step 6: Final answer
    x = 449,054.02

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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.