Finding the Fourth Proportional to 170,353.11, 235,084.11 and 93,879.29
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Solution
The fourth proportional to 170,353.11, 235,084.11 and 93,879.29 is: 129,551.66
Step by Step Solution
- Step 1: Write the proportion equation
170,353.11 : 235,084.11 = 93,879.29 : x - Step 2: Convert to fraction form
170,353.11/235,084.11 = 93,879.29/x - Step 3: Cross multiply
170,353.11x = 235,084.11 × 93,879.29 - Step 4: Simplify right side
170,353.11x = 22,069,528,161.66 - Step 5: Solve for x
x = 22,069,528,161.66/170,353.11 - Step 6: Final answer
x = 129,551.66
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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.