Home / 220,802.90-331,301.55-102,413.30

Finding the Fourth Proportional to 220,802.90, 331,301.55 and 102,413.30

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Solution

The fourth proportional to 220,802.90, 331,301.55 and 102,413.30 is: 153,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,802.90 : 331,301.55 = 102,413.30 : x
  2. Step 2: Convert to fraction form
    220,802.90/331,301.55 = 102,413.30/x
  3. Step 3: Cross multiply
    220,802.90x = 331,301.55 × 102,413.30
  4. Step 4: Simplify right side
    220,802.90x = 33,929,685,030.62
  5. Step 5: Solve for x
    x = 33,929,685,030.62/220,802.90
  6. Step 6: Final answer
    x = 153,665.03

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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.