Finding the Fourth Proportional to 205,531.88, 283,555.25 and 124,929.99
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Solution
The fourth proportional to 205,531.88, 283,555.25 and 124,929.99 is: 172,355.53
Step by Step Solution
- Step 1: Write the proportion equation
205,531.88 : 283,555.25 = 124,929.99 : x - Step 2: Convert to fraction form
205,531.88/283,555.25 = 124,929.99/x - Step 3: Cross multiply
205,531.88x = 283,555.25 × 124,929.99 - Step 4: Simplify right side
205,531.88x = 35,424,555,922.60 - Step 5: Solve for x
x = 35,424,555,922.60/205,531.88 - Step 6: Final answer
x = 172,355.53
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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.