Finding the Fourth Proportional to 304,062.34, 419,617.86 and 201,911.66
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Solution
The fourth proportional to 304,062.34, 419,617.86 and 201,911.66 is: 278,645.95
Step by Step Solution
- Step 1: Write the proportion equation
304,062.34 : 419,617.86 = 201,911.66 : x - Step 2: Convert to fraction form
304,062.34/419,617.86 = 201,911.66/x - Step 3: Cross multiply
304,062.34x = 419,617.86 × 201,911.66 - Step 4: Simplify right side
304,062.34x = 84,725,738,678.25 - Step 5: Solve for x
x = 84,725,738,678.25/304,062.34 - Step 6: Final answer
x = 278,645.95
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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.