Finding the Fourth Proportional to 198,234.65, 273,564.08 and 107,590.62
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Solution
The fourth proportional to 198,234.65, 273,564.08 and 107,590.62 is: 148,475.19
Step by Step Solution
- Step 1: Write the proportion equation
198,234.65 : 273,564.08 = 107,590.62 : x - Step 2: Convert to fraction form
198,234.65/273,564.08 = 107,590.62/x - Step 3: Cross multiply
198,234.65x = 273,564.08 × 107,590.62 - Step 4: Simplify right side
198,234.65x = 29,432,928,550.01 - Step 5: Solve for x
x = 29,432,928,550.01/198,234.65 - Step 6: Final answer
x = 148,475.19
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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.