Finding the Fourth Proportional to 167,699.33, 231,430.26 and 91,223.99
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Solution
The fourth proportional to 167,699.33, 231,430.26 and 91,223.99 is: 125,891.92
Step by Step Solution
- Step 1: Write the proportion equation
167,699.33 : 231,430.26 = 91,223.99 : x - Step 2: Convert to fraction form
167,699.33/231,430.26 = 91,223.99/x - Step 3: Cross multiply
167,699.33x = 231,430.26 × 91,223.99 - Step 4: Simplify right side
167,699.33x = 21,111,990,566.79 - Step 5: Solve for x
x = 21,111,990,566.79/167,699.33 - Step 6: Final answer
x = 125,891.92
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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.