Finding the Fourth Proportional to 227,241.74, 313,556.94 and 136,576.02
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Solution
The fourth proportional to 227,241.74, 313,556.94 and 136,576.02 is: 188,452.87
Step by Step Solution
- Step 1: Write the proportion equation
227,241.74 : 313,556.94 = 136,576.02 : x - Step 2: Convert to fraction form
227,241.74/313,556.94 = 136,576.02/x - Step 3: Cross multiply
227,241.74x = 313,556.94 × 136,576.02 - Step 4: Simplify right side
227,241.74x = 42,824,358,908.58 - Step 5: Solve for x
x = 42,824,358,908.58/227,241.74 - Step 6: Final answer
x = 188,452.87
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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.