Finding the Fourth Proportional to 116,593.80, 174,890.70 and 102,815.70
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Solution
The fourth proportional to 116,593.80, 174,890.70 and 102,815.70 is: 154,223.55
Step by Step Solution
- Step 1: Write the proportion equation
116,593.80 : 174,890.70 = 102,815.70 : x - Step 2: Convert to fraction form
116,593.80/174,890.70 = 102,815.70/x - Step 3: Cross multiply
116,593.80x = 174,890.70 × 102,815.70 - Step 4: Simplify right side
116,593.80x = 17,981,509,743.99 - Step 5: Solve for x
x = 17,981,509,743.99/116,593.80 - Step 6: Final answer
x = 154,223.55
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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.