Finding the Fourth Proportional to 445,770.18, 668,702.01 and 193,076.23
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Solution
The fourth proportional to 445,770.18, 668,702.01 and 193,076.23 is: 289,634.59
Step by Step Solution
- Step 1: Write the proportion equation
445,770.18 : 668,702.01 = 193,076.23 : x - Step 2: Convert to fraction form
445,770.18/668,702.01 = 193,076.23/x - Step 3: Cross multiply
445,770.18x = 668,702.01 × 193,076.23 - Step 4: Simplify right side
445,770.18x = 129,110,463,084.22 - Step 5: Solve for x
x = 129,110,463,084.22/445,770.18 - Step 6: Final answer
x = 289,634.59
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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.