Finding the Fourth Proportional to 197,601.98, 272,690.42 and 106,957.85
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Solution
The fourth proportional to 197,601.98, 272,690.42 and 106,957.85 is: 147,601.66
Step by Step Solution
- Step 1: Write the proportion equation
197,601.98 : 272,690.42 = 106,957.85 : x - Step 2: Convert to fraction form
197,601.98/272,690.42 = 106,957.85/x - Step 3: Cross multiply
197,601.98x = 272,690.42 × 106,957.85 - Step 4: Simplify right side
197,601.98x = 29,166,379,140.56 - Step 5: Solve for x
x = 29,166,379,140.56/197,601.98 - Step 6: Final answer
x = 147,601.66
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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.