Finding the Fourth Proportional to 170,608.19, 235,440.09 and 94,128.21
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Solution
The fourth proportional to 170,608.19, 235,440.09 and 94,128.21 is: 129,897.37
Step by Step Solution
- Step 1: Write the proportion equation
170,608.19 : 235,440.09 = 94,128.21 : x - Step 2: Convert to fraction form
170,608.19/235,440.09 = 94,128.21/x - Step 3: Cross multiply
170,608.19x = 235,440.09 × 94,128.21 - Step 4: Simplify right side
170,608.19x = 22,161,554,233.94 - Step 5: Solve for x
x = 22,161,554,233.94/170,608.19 - Step 6: Final answer
x = 129,897.37
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1.5x scale
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.