Finding the Fourth Proportional to 188,886.99, 260,665.79 and 104,007.09
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Solution
The fourth proportional to 188,886.99, 260,665.79 and 104,007.09 is: 143,530.74
Step by Step Solution
- Step 1: Write the proportion equation
188,886.99 : 260,665.79 = 104,007.09 : x - Step 2: Convert to fraction form
188,886.99/260,665.79 = 104,007.09/x - Step 3: Cross multiply
188,886.99x = 260,665.79 × 104,007.09 - Step 4: Simplify right side
188,886.99x = 27,111,089,760.42 - Step 5: Solve for x
x = 27,111,089,760.42/188,886.99 - Step 6: Final answer
x = 143,530.74
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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.