Finding the Fourth Proportional to 188,933.68, 260,728.80 and 104,050.96
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Solution
The fourth proportional to 188,933.68, 260,728.80 and 104,050.96 is: 143,590.50
Step by Step Solution
- Step 1: Write the proportion equation
188,933.68 : 260,728.80 = 104,050.96 : x - Step 2: Convert to fraction form
188,933.68/260,728.80 = 104,050.96/x - Step 3: Cross multiply
188,933.68x = 260,728.80 × 104,050.96 - Step 4: Simplify right side
188,933.68x = 27,129,081,939.65 - Step 5: Solve for x
x = 27,129,081,939.65/188,933.68 - Step 6: Final answer
x = 143,590.50
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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.