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Finding the Fourth Proportional to 231,594.94, 347,356.87 and 63,128.82

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Solution

The fourth proportional to 231,594.94, 347,356.87 and 63,128.82 is: 94,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,594.94 : 347,356.87 = 63,128.82 : x
  2. Step 2: Convert to fraction form
    231,594.94/347,356.87 = 63,128.82/x
  3. Step 3: Cross multiply
    231,594.94x = 347,356.87 × 63,128.82
  4. Step 4: Simplify right side
    231,594.94x = 21,928,229,321.99
  5. Step 5: Solve for x
    x = 21,928,229,321.99/231,594.94
  6. Step 6: Final answer
    x = 94,683.54

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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.