Finding the Fourth Proportional to 301,135.16, 415,578.15 and 165,174.84
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Solution
The fourth proportional to 301,135.16, 415,578.15 and 165,174.84 is: 227,947.66
Step by Step Solution
- Step 1: Write the proportion equation
301,135.16 : 415,578.15 = 165,174.84 : x - Step 2: Convert to fraction form
301,135.16/415,578.15 = 165,174.84/x - Step 3: Cross multiply
301,135.16x = 415,578.15 × 165,174.84 - Step 4: Simplify right side
301,135.16x = 68,643,054,433.75 - Step 5: Solve for x
x = 68,643,054,433.75/301,135.16 - Step 6: Final answer
x = 227,947.66
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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.