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Finding the Fourth Proportional to 638,099.46, 957,167.73 and 238,664.01

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Solution

The fourth proportional to 638,099.46, 957,167.73 and 238,664.01 is: 358,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,099.46 : 957,167.73 = 238,664.01 : x
  2. Step 2: Convert to fraction form
    638,099.46/957,167.73 = 238,664.01/x
  3. Step 3: Cross multiply
    638,099.46x = 957,167.73 × 238,664.01
  4. Step 4: Simplify right side
    638,099.46x = 228,441,488,684.40
  5. Step 5: Solve for x
    x = 228,441,488,684.40/638,099.46
  6. Step 6: Final answer
    x = 358,002.95

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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.