Finding the Fourth Proportional to 227,187.06, 313,505.35 and 125,212.21
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Solution
The fourth proportional to 227,187.06, 313,505.35 and 125,212.21 is: 172,785.80
Step by Step Solution
- Step 1: Write the proportion equation
227,187.06 : 313,505.35 = 125,212.21 : x - Step 2: Convert to fraction form
227,187.06/313,505.35 = 125,212.21/x - Step 3: Cross multiply
227,187.06x = 313,505.35 × 125,212.21 - Step 4: Simplify right side
227,187.06x = 39,254,697,720.32 - Step 5: Solve for x
x = 39,254,697,720.32/227,187.06 - Step 6: Final answer
x = 172,785.80
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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.