Finding the Fourth Proportional to 197,868.62, 296,310.58 and 138,425.96
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Solution
The fourth proportional to 197,868.62, 296,310.58 and 138,425.96 is: 207,294.50
Step by Step Solution
- Step 1: Write the proportion equation
197,868.62 : 296,310.58 = 138,425.96 : x - Step 2: Convert to fraction form
197,868.62/296,310.58 = 138,425.96/x - Step 3: Cross multiply
197,868.62x = 296,310.58 × 138,425.96 - Step 4: Simplify right side
197,868.62x = 41,017,076,494.66 - Step 5: Solve for x
x = 41,017,076,494.66/197,868.62 - Step 6: Final answer
x = 207,294.50
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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.