Home / 219,412.53-329,085.09-69,633.36

Finding the Fourth Proportional to 219,412.53, 329,085.09 and 69,633.36

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Solution

The fourth proportional to 219,412.53, 329,085.09 and 69,633.36 is: 104,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,412.53 : 329,085.09 = 69,633.36 : x
  2. Step 2: Convert to fraction form
    219,412.53/329,085.09 = 69,633.36/x
  3. Step 3: Cross multiply
    219,412.53x = 329,085.09 × 69,633.36
  4. Step 4: Simplify right side
    219,412.53x = 22,915,300,542.60
  5. Step 5: Solve for x
    x = 22,915,300,542.60/219,412.53
  6. Step 6: Final answer
    x = 104,439.34

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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.