Finding the Fourth Proportional to 177,708.25, 266,636.42 and 77,940.08
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Solution
The fourth proportional to 177,708.25, 266,636.42 and 77,940.08 is: 116,942.60
Step by Step Solution
- Step 1: Write the proportion equation
177,708.25 : 266,636.42 = 77,940.08 : x - Step 2: Convert to fraction form
177,708.25/266,636.42 = 77,940.08/x - Step 3: Cross multiply
177,708.25x = 266,636.42 × 77,940.08 - Step 4: Simplify right side
177,708.25x = 20,781,663,516.01 - Step 5: Solve for x
x = 20,781,663,516.01/177,708.25 - Step 6: Final answer
x = 116,942.60
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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.