Finding the Fourth Proportional to 338,813.61, 467,577.45 and 202,821.24
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Solution
The fourth proportional to 338,813.61, 467,577.45 and 202,821.24 is: 279,902.09
Step by Step Solution
- Step 1: Write the proportion equation
338,813.61 : 467,577.45 = 202,821.24 : x - Step 2: Convert to fraction form
338,813.61/467,577.45 = 202,821.24/x - Step 3: Cross multiply
338,813.61x = 467,577.45 × 202,821.24 - Step 4: Simplify right side
338,813.61x = 94,834,638,205.04 - Step 5: Solve for x
x = 94,834,638,205.04/338,813.61 - Step 6: Final answer
x = 279,902.09
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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.