Finding the Fourth Proportional to 188,791.04, 260,532.36 and 103,911.08
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Solution
The fourth proportional to 188,791.04, 260,532.36 and 103,911.08 is: 143,397.69
Step by Step Solution
- Step 1: Write the proportion equation
188,791.04 : 260,532.36 = 103,911.08 : x - Step 2: Convert to fraction form
188,791.04/260,532.36 = 103,911.08/x - Step 3: Cross multiply
188,791.04x = 260,532.36 × 103,911.08 - Step 4: Simplify right side
188,791.04x = 27,072,198,902.55 - Step 5: Solve for x
x = 27,072,198,902.55/188,791.04 - Step 6: Final answer
x = 143,397.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.