Finding the Fourth Proportional to 199,640.16, 275,506.08 and 108,995.08
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Solution
The fourth proportional to 199,640.16, 275,506.08 and 108,995.08 is: 150,414.66
Step by Step Solution
- Step 1: Write the proportion equation
199,640.16 : 275,506.08 = 108,995.08 : x - Step 2: Convert to fraction form
199,640.16/275,506.08 = 108,995.08/x - Step 3: Cross multiply
199,640.16x = 275,506.08 × 108,995.08 - Step 4: Simplify right side
199,640.16x = 30,028,807,230.09 - Step 5: Solve for x
x = 30,028,807,230.09/199,640.16 - Step 6: Final answer
x = 150,414.66
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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.