Home / 479,060.06-718,467.44-142,021.89

Finding the Fourth Proportional to 479,060.06, 718,467.44 and 142,021.89

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Solution

The fourth proportional to 479,060.06, 718,467.44 and 142,021.89 is: 212,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,060.06 : 718,467.44 = 142,021.89 : x
  2. Step 2: Convert to fraction form
    479,060.06/718,467.44 = 142,021.89/x
  3. Step 3: Cross multiply
    479,060.06x = 718,467.44 × 142,021.89
  4. Step 4: Simplify right side
    479,060.06x = 102,038,103,022.15
  5. Step 5: Solve for x
    x = 102,038,103,022.15/479,060.06
  6. Step 6: Final answer
    x = 212,996.47

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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.