Finding the Fourth Proportional to 256,214.62, 353,670.53 and 154,244.82
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Solution
The fourth proportional to 256,214.62, 353,670.53 and 154,244.82 is: 212,914.65
Step by Step Solution
- Step 1: Write the proportion equation
256,214.62 : 353,670.53 = 154,244.82 : x - Step 2: Convert to fraction form
256,214.62/353,670.53 = 154,244.82/x - Step 3: Cross multiply
256,214.62x = 353,670.53 × 154,244.82 - Step 4: Simplify right side
256,214.62x = 54,551,846,467.93 - Step 5: Solve for x
x = 54,551,846,467.93/256,214.62 - Step 6: Final answer
x = 212,914.65
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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.