Home / 479,222.09-718,710.12-142,183.01

Finding the Fourth Proportional to 479,222.09, 718,710.12 and 142,183.01

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Solution

The fourth proportional to 479,222.09, 718,710.12 and 142,183.01 is: 213,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,222.09 : 718,710.12 = 142,183.01 : x
  2. Step 2: Convert to fraction form
    479,222.09/718,710.12 = 142,183.01/x
  3. Step 3: Cross multiply
    479,222.09x = 718,710.12 × 142,183.01
  4. Step 4: Simplify right side
    479,222.09x = 102,188,368,179.06
  5. Step 5: Solve for x
    x = 102,188,368,179.06/479,222.09
  6. Step 6: Final answer
    x = 213,238.02

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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.