Finding the Fourth Proportional to 119,283.70, 178,921.44 and 30,537.97
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Solution
The fourth proportional to 119,283.70, 178,921.44 and 30,537.97 is: 45,805.90
Step by Step Solution
- Step 1: Write the proportion equation
119,283.70 : 178,921.44 = 30,537.97 : x - Step 2: Convert to fraction form
119,283.70/178,921.44 = 30,537.97/x - Step 3: Cross multiply
119,283.70x = 178,921.44 × 30,537.97 - Step 4: Simplify right side
119,283.70x = 5,463,897,567.08 - Step 5: Solve for x
x = 5,463,897,567.08/119,283.70 - Step 6: Final answer
x = 45,805.90
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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.