Finding the Fourth Proportional to 170,990.18, 235,959.09 and 94,505.31
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Solution
The fourth proportional to 170,990.18, 235,959.09 and 94,505.31 is: 130,413.26
Step by Step Solution
- Step 1: Write the proportion equation
170,990.18 : 235,959.09 = 94,505.31 : x - Step 2: Convert to fraction form
170,990.18/235,959.09 = 94,505.31/x - Step 3: Cross multiply
170,990.18x = 235,959.09 × 94,505.31 - Step 4: Simplify right side
170,990.18x = 22,299,386,947.77 - Step 5: Solve for x
x = 22,299,386,947.77/170,990.18 - Step 6: Final answer
x = 130,413.26
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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.