Finding the Fourth Proportional to 276,537.62, 381,629.30 and 155,683.49
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Solution
The fourth proportional to 276,537.62, 381,629.30 and 155,683.49 is: 214,847.38
Step by Step Solution
- Step 1: Write the proportion equation
276,537.62 : 381,629.30 = 155,683.49 : x - Step 2: Convert to fraction form
276,537.62/381,629.30 = 155,683.49/x - Step 3: Cross multiply
276,537.62x = 381,629.30 × 155,683.49 - Step 4: Simplify right side
276,537.62x = 59,413,382,653.54 - Step 5: Solve for x
x = 59,413,382,653.54/276,537.62 - Step 6: Final answer
x = 214,847.38
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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.