Home / 455,956.18-629,199.93-251,996.56

Finding the Fourth Proportional to 455,956.18, 629,199.93 and 251,996.56

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Solution

The fourth proportional to 455,956.18, 629,199.93 and 251,996.56 is: 347,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,956.18 : 629,199.93 = 251,996.56 : x
  2. Step 2: Convert to fraction form
    455,956.18/629,199.93 = 251,996.56/x
  3. Step 3: Cross multiply
    455,956.18x = 629,199.93 × 251,996.56
  4. Step 4: Simplify right side
    455,956.18x = 158,556,217,912.24
  5. Step 5: Solve for x
    x = 158,556,217,912.24/455,956.18
  6. Step 6: Final answer
    x = 347,744.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.