Finding the Fourth Proportional to 115,528.80, 173,299.35 and 36,649.20
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Solution
The fourth proportional to 115,528.80, 173,299.35 and 36,649.20 is: 54,975.75
Step by Step Solution
- Step 1: Write the proportion equation
115,528.80 : 173,299.35 = 36,649.20 : x - Step 2: Convert to fraction form
115,528.80/173,299.35 = 36,649.20/x - Step 3: Cross multiply
115,528.80x = 173,299.35 × 36,649.20 - Step 4: Simplify right side
115,528.80x = 6,351,282,538.02 - Step 5: Solve for x
x = 6,351,282,538.02/115,528.80 - Step 6: Final answer
x = 54,975.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.