Finding the Fourth Proportional to 338,608.24, 466,215.42 and 287,513.44
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Solution
The fourth proportional to 338,608.24, 466,215.42 and 287,513.44 is: 395,865.14
Step by Step Solution
- Step 1: Write the proportion equation
338,608.24 : 466,215.42 = 287,513.44 : x - Step 2: Convert to fraction form
338,608.24/466,215.42 = 287,513.44/x - Step 3: Cross multiply
338,608.24x = 466,215.42 × 287,513.44 - Step 4: Simplify right side
338,608.24x = 134,043,199,185.25 - Step 5: Solve for x
x = 134,043,199,185.25/338,608.24 - Step 6: Final answer
x = 395,865.14
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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.