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Finding the Fourth Proportional to 233,142.20, 349,713.30 and 214,771.40

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Solution

The fourth proportional to 233,142.20, 349,713.30 and 214,771.40 is: 322,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,142.20 : 349,713.30 = 214,771.40 : x
  2. Step 2: Convert to fraction form
    233,142.20/349,713.30 = 214,771.40/x
  3. Step 3: Cross multiply
    233,142.20x = 349,713.30 × 214,771.40
  4. Step 4: Simplify right side
    233,142.20x = 75,108,415,039.62
  5. Step 5: Solve for x
    x = 75,108,415,039.62/233,142.20
  6. Step 6: Final answer
    x = 322,157.10

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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.