Home / 210,224-290,115.24-114,736.80

Finding the Fourth Proportional to 210,224, 290,115.24 and 114,736.80

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Solution

The fourth proportional to 210,224, 290,115.24 and 114,736.80 is: 158,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,224 : 290,115.24 = 114,736.80 : x
  2. Step 2: Convert to fraction form
    210,224/290,115.24 = 114,736.80/x
  3. Step 3: Cross multiply
    210,224x = 290,115.24 × 114,736.80
  4. Step 4: Simplify right side
    210,224x = 33,286,894,268.83
  5. Step 5: Solve for x
    x = 33,286,894,268.83/210,224
  6. Step 6: Final answer
    x = 158,340.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.