Finding the Fourth Proportional to 305,049.02, 420,992.87 and 169,125.62
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Solution
The fourth proportional to 305,049.02, 420,992.87 and 169,125.62 is: 233,407.33
Step by Step Solution
- Step 1: Write the proportion equation
305,049.02 : 420,992.87 = 169,125.62 : x - Step 2: Convert to fraction form
305,049.02/420,992.87 = 169,125.62/x - Step 3: Cross multiply
305,049.02x = 420,992.87 × 169,125.62 - Step 4: Simplify right side
305,049.02x = 71,200,677,203.74 - Step 5: Solve for x
x = 71,200,677,203.74/305,049.02 - Step 6: Final answer
x = 233,407.33
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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.