Finding the Fourth Proportional to 305,016.15, 420,937.80 and 175,906.62
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Solution
The fourth proportional to 305,016.15, 420,937.80 and 175,906.62 is: 242,760.08
Step by Step Solution
- Step 1: Write the proportion equation
305,016.15 : 420,937.80 = 175,906.62 : x - Step 2: Convert to fraction form
305,016.15/420,937.80 = 175,906.62/x - Step 3: Cross multiply
305,016.15x = 420,937.80 × 175,906.62 - Step 4: Simplify right side
305,016.15x = 74,045,745,628.24 - Step 5: Solve for x
x = 74,045,745,628.24/305,016.15 - Step 6: Final answer
x = 242,760.08
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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.