Finding the Fourth Proportional to 274,293.38, 378,556.26 and 153,465.28
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Solution
The fourth proportional to 274,293.38, 378,556.26 and 153,465.28 is: 211,799.65
Step by Step Solution
- Step 1: Write the proportion equation
274,293.38 : 378,556.26 = 153,465.28 : x - Step 2: Convert to fraction form
274,293.38/378,556.26 = 153,465.28/x - Step 3: Cross multiply
274,293.38x = 378,556.26 × 153,465.28 - Step 4: Simplify right side
274,293.38x = 58,095,242,436.65 - Step 5: Solve for x
x = 58,095,242,436.65/274,293.38 - Step 6: Final answer
x = 211,799.65
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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.