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Finding the Fourth Proportional to 263,804.08, 395,702.60 and 64,123.92

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Solution

The fourth proportional to 263,804.08, 395,702.60 and 64,123.92 is: 96,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,804.08 : 395,702.60 = 64,123.92 : x
  2. Step 2: Convert to fraction form
    263,804.08/395,702.60 = 64,123.92/x
  3. Step 3: Cross multiply
    263,804.08x = 395,702.60 × 64,123.92
  4. Step 4: Simplify right side
    263,804.08x = 25,374,001,866.19
  5. Step 5: Solve for x
    x = 25,374,001,866.19/263,804.08
  6. Step 6: Final answer
    x = 96,185.02

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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.