Finding the Fourth Proportional to 305,953.44, 422,212.68 and 168,134.64
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Solution
The fourth proportional to 305,953.44, 422,212.68 and 168,134.64 is: 232,024.12
Step by Step Solution
- Step 1: Write the proportion equation
305,953.44 : 422,212.68 = 168,134.64 : x - Step 2: Convert to fraction form
305,953.44/422,212.68 = 168,134.64/x - Step 3: Cross multiply
305,953.44x = 422,212.68 × 168,134.64 - Step 4: Simplify right side
305,953.44x = 70,988,576,955.24 - Step 5: Solve for x
x = 70,988,576,955.24/305,953.44 - Step 6: Final answer
x = 232,024.12
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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.