Finding the Fourth Proportional to 205,799.97, 308,699.95 and 135,662.88
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Solution
The fourth proportional to 205,799.97, 308,699.95 and 135,662.88 is: 203,494.31
Step by Step Solution
- Step 1: Write the proportion equation
205,799.97 : 308,699.95 = 135,662.88 : x - Step 2: Convert to fraction form
205,799.97/308,699.95 = 135,662.88/x - Step 3: Cross multiply
205,799.97x = 308,699.95 × 135,662.88 - Step 4: Simplify right side
205,799.97x = 41,879,122,550.26 - Step 5: Solve for x
x = 41,879,122,550.26/205,799.97 - Step 6: Final answer
x = 203,494.31
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1.5x scale
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.