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Finding the Fourth Proportional to 325,978.20, 489,050.46 and 101,340.54

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Solution

The fourth proportional to 325,978.20, 489,050.46 and 101,340.54 is: 152,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,978.20 : 489,050.46 = 101,340.54 : x
  2. Step 2: Convert to fraction form
    325,978.20/489,050.46 = 101,340.54/x
  3. Step 3: Cross multiply
    325,978.20x = 489,050.46 × 101,340.54
  4. Step 4: Simplify right side
    325,978.20x = 49,560,637,703.65
  5. Step 5: Solve for x
    x = 49,560,637,703.65/325,978.20
  6. Step 6: Final answer
    x = 152,036.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.