Finding the Fourth Proportional to 290,260.19, 400,562.99 and 161,207.01
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Solution
The fourth proportional to 290,260.19, 400,562.99 and 161,207.01 is: 222,467.85
Step by Step Solution
- Step 1: Write the proportion equation
290,260.19 : 400,562.99 = 161,207.01 : x - Step 2: Convert to fraction form
290,260.19/400,562.99 = 161,207.01/x - Step 3: Cross multiply
290,260.19x = 400,562.99 × 161,207.01 - Step 4: Simplify right side
290,260.19x = 64,573,561,733.05 - Step 5: Solve for x
x = 64,573,561,733.05/290,260.19 - Step 6: Final answer
x = 222,467.85
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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.