Finding the Fourth Proportional to 827,433.48, 1,241,125.51 and 228,431.19
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Solution
The fourth proportional to 827,433.48, 1,241,125.51 and 228,431.19 is: 342,639.96
Step by Step Solution
- Step 1: Write the proportion equation
827,433.48 : 1,241,125.51 = 228,431.19 : x - Step 2: Convert to fraction form
827,433.48/1,241,125.51 = 228,431.19/x - Step 3: Cross multiply
827,433.48x = 1,241,125.51 × 228,431.19 - Step 4: Simplify right side
827,433.48x = 283,511,770,411.95 - Step 5: Solve for x
x = 283,511,770,411.95/827,433.48 - Step 6: Final answer
x = 342,639.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.