Finding the Fourth Proportional to 274,349.76, 378,613.44 and 161,171.52
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Solution
The fourth proportional to 274,349.76, 378,613.44 and 161,171.52 is: 222,423.03
Step by Step Solution
- Step 1: Write the proportion equation
274,349.76 : 378,613.44 = 161,171.52 : x - Step 2: Convert to fraction form
274,349.76/378,613.44 = 161,171.52/x - Step 3: Cross multiply
274,349.76x = 378,613.44 × 161,171.52 - Step 4: Simplify right side
274,349.76x = 61,021,703,617.23 - Step 5: Solve for x
x = 61,021,703,617.23/274,349.76 - Step 6: Final answer
x = 222,423.03
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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.