Home / 319,588.22-479,045.32-106,299.18

Finding the Fourth Proportional to 319,588.22, 479,045.32 and 106,299.18

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Solution

The fourth proportional to 319,588.22, 479,045.32 and 106,299.18 is: 159,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,588.22 : 479,045.32 = 106,299.18 : x
  2. Step 2: Convert to fraction form
    319,588.22/479,045.32 = 106,299.18/x
  3. Step 3: Cross multiply
    319,588.22x = 479,045.32 × 106,299.18
  4. Step 4: Simplify right side
    319,588.22x = 50,922,124,433.09
  5. Step 5: Solve for x
    x = 50,922,124,433.09/319,588.22
  6. Step 6: Final answer
    x = 159,336.67

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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.