Finding the Fourth Proportional to 274,292.91, 378,564.57 and 166,842.18
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Solution
The fourth proportional to 274,292.91, 378,564.57 and 166,842.18 is: 230,266.75
Step by Step Solution
- Step 1: Write the proportion equation
274,292.91 : 378,564.57 = 166,842.18 : x - Step 2: Convert to fraction form
274,292.91/378,564.57 = 166,842.18/x - Step 3: Cross multiply
274,292.91x = 378,564.57 × 166,842.18 - Step 4: Simplify right side
274,292.91x = 63,160,538,129.56 - Step 5: Solve for x
x = 63,160,538,129.56/274,292.91 - Step 6: Final answer
x = 230,266.75
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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.