Home / 219,371.18-329,054.34-69,611.36

Finding the Fourth Proportional to 219,371.18, 329,054.34 and 69,611.36

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Solution

The fourth proportional to 219,371.18, 329,054.34 and 69,611.36 is: 104,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,371.18 : 329,054.34 = 69,611.36 : x
  2. Step 2: Convert to fraction form
    219,371.18/329,054.34 = 69,611.36/x
  3. Step 3: Cross multiply
    219,371.18x = 329,054.34 × 69,611.36
  4. Step 4: Simplify right side
    219,371.18x = 22,905,920,121.30
  5. Step 5: Solve for x
    x = 22,905,920,121.30/219,371.18
  6. Step 6: Final answer
    x = 104,416.27

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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.