Finding the Fourth Proportional to 214,229.37, 319,428.75 and 208,344.09
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Solution
The fourth proportional to 214,229.37, 319,428.75 and 208,344.09 is: 310,653.45
Step by Step Solution
- Step 1: Write the proportion equation
214,229.37 : 319,428.75 = 208,344.09 : x - Step 2: Convert to fraction form
214,229.37/319,428.75 = 208,344.09/x - Step 3: Cross multiply
214,229.37x = 319,428.75 × 208,344.09 - Step 4: Simplify right side
214,229.37x = 66,551,092,238.59 - Step 5: Solve for x
x = 66,551,092,238.59/214,229.37 - Step 6: Final answer
x = 310,653.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.