Finding the Fourth Proportional to 216,509.09, 324,837.14 and 116,679.29
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Solution
The fourth proportional to 216,509.09, 324,837.14 and 116,679.29 is: 175,058.54
Step by Step Solution
- Step 1: Write the proportion equation
216,509.09 : 324,837.14 = 116,679.29 : x - Step 2: Convert to fraction form
216,509.09/324,837.14 = 116,679.29/x - Step 3: Cross multiply
216,509.09x = 324,837.14 × 116,679.29 - Step 4: Simplify right side
216,509.09x = 37,901,764,653.25 - Step 5: Solve for x
x = 37,901,764,653.25/216,509.09 - Step 6: Final answer
x = 175,058.54
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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.