Home / 319,779.44-479,919.76-223,087.85

Finding the Fourth Proportional to 319,779.44, 479,919.76 and 223,087.85

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Solution

The fourth proportional to 319,779.44, 479,919.76 and 223,087.85 is: 334,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,779.44 : 479,919.76 = 223,087.85 : x
  2. Step 2: Convert to fraction form
    319,779.44/479,919.76 = 223,087.85/x
  3. Step 3: Cross multiply
    319,779.44x = 479,919.76 × 223,087.85
  4. Step 4: Simplify right side
    319,779.44x = 107,064,265,550.96
  5. Step 5: Solve for x
    x = 107,064,265,550.96/319,779.44
  6. Step 6: Final answer
    x = 334,806.59

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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.