Home / 220,210.09-330,321.99-104,779.29

Finding the Fourth Proportional to 220,210.09, 330,321.99 and 104,779.29

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Solution

The fourth proportional to 220,210.09, 330,321.99 and 104,779.29 is: 157,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,210.09 : 330,321.99 = 104,779.29 : x
  2. Step 2: Convert to fraction form
    220,210.09/330,321.99 = 104,779.29/x
  3. Step 3: Cross multiply
    220,210.09x = 330,321.99 × 104,779.29
  4. Step 4: Simplify right side
    220,210.09x = 34,610,903,583.59
  5. Step 5: Solve for x
    x = 34,610,903,583.59/220,210.09
  6. Step 6: Final answer
    x = 157,172.20

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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.