Finding the Fourth Proportional to 170,015.81, 234,621.81 and 93,533.26
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Solution
The fourth proportional to 170,015.81, 234,621.81 and 93,533.26 is: 129,075.90
Step by Step Solution
- Step 1: Write the proportion equation
170,015.81 : 234,621.81 = 93,533.26 : x - Step 2: Convert to fraction form
170,015.81/234,621.81 = 93,533.26/x - Step 3: Cross multiply
170,015.81x = 234,621.81 × 93,533.26 - Step 4: Simplify right side
170,015.81x = 21,944,942,990.23 - Step 5: Solve for x
x = 21,944,942,990.23/170,015.81 - Step 6: Final answer
x = 129,075.90
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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.