Finding the Fourth Proportional to 270,610.48, 405,907.32 and 128,557.99
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Solution
The fourth proportional to 270,610.48, 405,907.32 and 128,557.99 is: 192,832.99
Step by Step Solution
- Step 1: Write the proportion equation
270,610.48 : 405,907.32 = 128,557.99 : x - Step 2: Convert to fraction form
270,610.48/405,907.32 = 128,557.99/x - Step 3: Cross multiply
270,610.48x = 405,907.32 × 128,557.99 - Step 4: Simplify right side
270,610.48x = 52,182,629,185.49 - Step 5: Solve for x
x = 52,182,629,185.49/270,610.48 - Step 6: Final answer
x = 192,832.99
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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.