Home / 214,721.80-322,341.90-213,166.60

Finding the Fourth Proportional to 214,721.80, 322,341.90 and 213,166.60

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Solution

The fourth proportional to 214,721.80, 322,341.90 and 213,166.60 is: 320,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,721.80 : 322,341.90 = 213,166.60 : x
  2. Step 2: Convert to fraction form
    214,721.80/322,341.90 = 213,166.60/x
  3. Step 3: Cross multiply
    214,721.80x = 322,341.90 × 213,166.60
  4. Step 4: Simplify right side
    214,721.80x = 68,712,526,860.54
  5. Step 5: Solve for x
    x = 68,712,526,860.54/214,721.80
  6. Step 6: Final answer
    x = 320,007.22

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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.