Home / 253,972.89-380,625.06-141,705.96

Finding the Fourth Proportional to 253,972.89, 380,625.06 and 141,705.96

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Solution

The fourth proportional to 253,972.89, 380,625.06 and 141,705.96 is: 212,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,972.89 : 380,625.06 = 141,705.96 : x
  2. Step 2: Convert to fraction form
    253,972.89/380,625.06 = 141,705.96/x
  3. Step 3: Cross multiply
    253,972.89x = 380,625.06 × 141,705.96
  4. Step 4: Simplify right side
    253,972.89x = 53,936,839,527.36
  5. Step 5: Solve for x
    x = 53,936,839,527.36/253,972.89
  6. Step 6: Final answer
    x = 212,372.43

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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.