Finding the Fourth Proportional to 225,611.19, 338,416.79 and 107,217.95
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Solution
The fourth proportional to 225,611.19, 338,416.79 and 107,217.95 is: 160,826.92
Step by Step Solution
- Step 1: Write the proportion equation
225,611.19 : 338,416.79 = 107,217.95 : x - Step 2: Convert to fraction form
225,611.19/338,416.79 = 107,217.95/x - Step 3: Cross multiply
225,611.19x = 338,416.79 × 107,217.95 - Step 4: Simplify right side
225,611.19x = 36,284,352,241.21 - Step 5: Solve for x
x = 36,284,352,241.21/225,611.19 - Step 6: Final answer
x = 160,826.92
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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.