Finding the Fourth Proportional to 116,514.63, 174,650.75 and 79,077.75
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Solution
The fourth proportional to 116,514.63, 174,650.75 and 79,077.75 is: 118,534.37
Step by Step Solution
- Step 1: Write the proportion equation
116,514.63 : 174,650.75 = 79,077.75 : x - Step 2: Convert to fraction form
116,514.63/174,650.75 = 79,077.75/x - Step 3: Cross multiply
116,514.63x = 174,650.75 × 79,077.75 - Step 4: Simplify right side
116,514.63x = 13,810,988,345.81 - Step 5: Solve for x
x = 13,810,988,345.81/116,514.63 - Step 6: Final answer
x = 118,534.37
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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.