Finding the Fourth Proportional to 170,382.99, 235,128.52 and 93,902.09
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Solution
The fourth proportional to 170,382.99, 235,128.52 and 93,902.09 is: 129,584.87
Step by Step Solution
- Step 1: Write the proportion equation
170,382.99 : 235,128.52 = 93,902.09 : x - Step 2: Convert to fraction form
170,382.99/235,128.52 = 93,902.09/x - Step 3: Cross multiply
170,382.99x = 235,128.52 × 93,902.09 - Step 4: Simplify right side
170,382.99x = 22,079,058,388.34 - Step 5: Solve for x
x = 22,079,058,388.34/170,382.99 - Step 6: Final answer
x = 129,584.87
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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.