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Finding the Fourth Proportional to 328,232.40, 492,413.40 and 276,003.60

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Solution

The fourth proportional to 328,232.40, 492,413.40 and 276,003.60 is: 414,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,232.40 : 492,413.40 = 276,003.60 : x
  2. Step 2: Convert to fraction form
    328,232.40/492,413.40 = 276,003.60/x
  3. Step 3: Cross multiply
    328,232.40x = 492,413.40 × 276,003.60
  4. Step 4: Simplify right side
    328,232.40x = 135,907,871,088.24
  5. Step 5: Solve for x
    x = 135,907,871,088.24/328,232.40
  6. Step 6: Final answer
    x = 414,059.89

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1.5x scale

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.