Finding the Fourth Proportional to 161,326.53, 222,571.13 and 97,641.09
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Solution
The fourth proportional to 161,326.53, 222,571.13 and 97,641.09 is: 134,708.70
Step by Step Solution
- Step 1: Write the proportion equation
161,326.53 : 222,571.13 = 97,641.09 : x - Step 2: Convert to fraction form
161,326.53/222,571.13 = 97,641.09/x - Step 3: Cross multiply
161,326.53x = 222,571.13 × 97,641.09 - Step 4: Simplify right side
161,326.53x = 21,732,087,247.53 - Step 5: Solve for x
x = 21,732,087,247.53/161,326.53 - Step 6: Final answer
x = 134,708.70
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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.