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Finding the Fourth Proportional to 356,190.80, 534,286.20 and 350,661.20

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Solution

The fourth proportional to 356,190.80, 534,286.20 and 350,661.20 is: 525,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,190.80 : 534,286.20 = 350,661.20 : x
  2. Step 2: Convert to fraction form
    356,190.80/534,286.20 = 350,661.20/x
  3. Step 3: Cross multiply
    356,190.80x = 534,286.20 × 350,661.20
  4. Step 4: Simplify right side
    356,190.80x = 187,353,440,035.44
  5. Step 5: Solve for x
    x = 187,353,440,035.44/356,190.80
  6. Step 6: Final answer
    x = 525,991.80

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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.