Finding the Fourth Proportional to 222,576.84, 307,154.97 and 121,974.84
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Solution
The fourth proportional to 222,576.84, 307,154.97 and 121,974.84 is: 168,324.69
Step by Step Solution
- Step 1: Write the proportion equation
222,576.84 : 307,154.97 = 121,974.84 : x - Step 2: Convert to fraction form
222,576.84/307,154.97 = 121,974.84/x - Step 3: Cross multiply
222,576.84x = 307,154.97 × 121,974.84 - Step 4: Simplify right side
222,576.84x = 37,465,178,320.95 - Step 5: Solve for x
x = 37,465,178,320.95/222,576.84 - Step 6: Final answer
x = 168,324.69
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1.5x scale
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.