Home / 353,286.12-529,413.96-163,804.44

Finding the Fourth Proportional to 353,286.12, 529,413.96 and 163,804.44

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Solution

The fourth proportional to 353,286.12, 529,413.96 and 163,804.44 is: 245,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,286.12 : 529,413.96 = 163,804.44 : x
  2. Step 2: Convert to fraction form
    353,286.12/529,413.96 = 163,804.44/x
  3. Step 3: Cross multiply
    353,286.12x = 529,413.96 × 163,804.44
  4. Step 4: Simplify right side
    353,286.12x = 86,720,357,245.98
  5. Step 5: Solve for x
    x = 86,720,357,245.98/353,286.12
  6. Step 6: Final answer
    x = 245,467.77

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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.