Finding the Fourth Proportional to 202,337.21, 303,538.80 and 75,987.29
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Solution
The fourth proportional to 202,337.21, 303,538.80 and 75,987.29 is: 113,993.32
Step by Step Solution
- Step 1: Write the proportion equation
202,337.21 : 303,538.80 = 75,987.29 : x - Step 2: Convert to fraction form
202,337.21/303,538.80 = 75,987.29/x - Step 3: Cross multiply
202,337.21x = 303,538.80 × 75,987.29 - Step 4: Simplify right side
202,337.21x = 23,065,090,821.85 - Step 5: Solve for x
x = 23,065,090,821.85/202,337.21 - Step 6: Final answer
x = 113,993.32
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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.