Home / 214,999.80-322,499.70-204,666.23

Finding the Fourth Proportional to 214,999.80, 322,499.70 and 204,666.23

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Solution

The fourth proportional to 214,999.80, 322,499.70 and 204,666.23 is: 306,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,999.80 : 322,499.70 = 204,666.23 : x
  2. Step 2: Convert to fraction form
    214,999.80/322,499.70 = 204,666.23/x
  3. Step 3: Cross multiply
    214,999.80x = 322,499.70 × 204,666.23
  4. Step 4: Simplify right side
    214,999.80x = 66,004,796,162.63
  5. Step 5: Solve for x
    x = 66,004,796,162.63/214,999.80
  6. Step 6: Final answer
    x = 306,999.34

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1.5x scale

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.