Finding the Fourth Proportional to 379,805.25, 524,109.96 and 207,689.07
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Solution
The fourth proportional to 379,805.25, 524,109.96 and 207,689.07 is: 286,599.28
Step by Step Solution
- Step 1: Write the proportion equation
379,805.25 : 524,109.96 = 207,689.07 : x - Step 2: Convert to fraction form
379,805.25/524,109.96 = 207,689.07/x - Step 3: Cross multiply
379,805.25x = 524,109.96 × 207,689.07 - Step 4: Simplify right side
379,805.25x = 108,851,910,170.14 - Step 5: Solve for x
x = 108,851,910,170.14/379,805.25 - Step 6: Final answer
x = 286,599.28
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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.