Finding the Fourth Proportional to 116,230.80, 173,908.80 and 76,864.80
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Solution
The fourth proportional to 116,230.80, 173,908.80 and 76,864.80 is: 115,007.94
Step by Step Solution
- Step 1: Write the proportion equation
116,230.80 : 173,908.80 = 76,864.80 : x - Step 2: Convert to fraction form
116,230.80/173,908.80 = 76,864.80/x - Step 3: Cross multiply
116,230.80x = 173,908.80 × 76,864.80 - Step 4: Simplify right side
116,230.80x = 13,367,465,130.24 - Step 5: Solve for x
x = 13,367,465,130.24/116,230.80 - Step 6: Final answer
x = 115,007.94
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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.