Finding the Fourth Proportional to 116,605.31, 174,907.97 and 110,939.63
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Solution
The fourth proportional to 116,605.31, 174,907.97 and 110,939.63 is: 166,409.45
Step by Step Solution
- Step 1: Write the proportion equation
116,605.31 : 174,907.97 = 110,939.63 : x - Step 2: Convert to fraction form
116,605.31/174,907.97 = 110,939.63/x - Step 3: Cross multiply
116,605.31x = 174,907.97 × 110,939.63 - Step 4: Simplify right side
116,605.31x = 19,404,224,921.15 - Step 5: Solve for x
x = 19,404,224,921.15/116,605.31 - Step 6: Final answer
x = 166,409.45
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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.