Finding the Fourth Proportional to 151,974.33, 209,750.61 and 88,349.03
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Solution
The fourth proportional to 151,974.33, 209,750.61 and 88,349.03 is: 121,936.80
Step by Step Solution
- Step 1: Write the proportion equation
151,974.33 : 209,750.61 = 88,349.03 : x - Step 2: Convert to fraction form
151,974.33/209,750.61 = 88,349.03/x - Step 3: Cross multiply
151,974.33x = 209,750.61 × 88,349.03 - Step 4: Simplify right side
151,974.33x = 18,531,263,004.53 - Step 5: Solve for x
x = 18,531,263,004.53/151,974.33 - Step 6: Final answer
x = 121,936.80
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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.