Finding the Fourth Proportional to 227,212.76, 313,539.35 and 125,232.61
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Solution
The fourth proportional to 227,212.76, 313,539.35 and 125,232.61 is: 172,813.14
Step by Step Solution
- Step 1: Write the proportion equation
227,212.76 : 313,539.35 = 125,232.61 : x - Step 2: Convert to fraction form
227,212.76/313,539.35 = 125,232.61/x - Step 3: Cross multiply
227,212.76x = 313,539.35 × 125,232.61 - Step 4: Simplify right side
227,212.76x = 39,265,350,316.08 - Step 5: Solve for x
x = 39,265,350,316.08/227,212.76 - Step 6: Final answer
x = 172,813.14
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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.