Home / 219,374.58-328,993.82-79,114.98

Finding the Fourth Proportional to 219,374.58, 328,993.82 and 79,114.98

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Solution

The fourth proportional to 219,374.58, 328,993.82 and 79,114.98 is: 118,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,374.58 : 328,993.82 = 79,114.98 : x
  2. Step 2: Convert to fraction form
    219,374.58/328,993.82 = 79,114.98/x
  3. Step 3: Cross multiply
    219,374.58x = 328,993.82 × 79,114.98
  4. Step 4: Simplify right side
    219,374.58x = 26,028,339,489.42
  5. Step 5: Solve for x
    x = 26,028,339,489.42/219,374.58
  6. Step 6: Final answer
    x = 118,647.93

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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.