Finding the Fourth Proportional to 384,694.98, 576,969.99 and 104,175.30
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Solution
The fourth proportional to 384,694.98, 576,969.99 and 104,175.30 is: 156,243.32
Step by Step Solution
- Step 1: Write the proportion equation
384,694.98 : 576,969.99 = 104,175.30 : x - Step 2: Convert to fraction form
384,694.98/576,969.99 = 104,175.30/x - Step 3: Cross multiply
384,694.98x = 576,969.99 × 104,175.30 - Step 4: Simplify right side
384,694.98x = 60,106,021,799.25 - Step 5: Solve for x
x = 60,106,021,799.25/384,694.98 - Step 6: Final answer
x = 156,243.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.