Finding the Fourth Proportional to 218,125.68, 326,604.99 and 128,094.18
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Solution
The fourth proportional to 218,125.68, 326,604.99 and 128,094.18 is: 191,798.59
Step by Step Solution
- Step 1: Write the proportion equation
218,125.68 : 326,604.99 = 128,094.18 : x - Step 2: Convert to fraction form
218,125.68/326,604.99 = 128,094.18/x - Step 3: Cross multiply
218,125.68x = 326,604.99 × 128,094.18 - Step 4: Simplify right side
218,125.68x = 41,836,198,377.96 - Step 5: Solve for x
x = 41,836,198,377.96/218,125.68 - Step 6: Final answer
x = 191,798.59
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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.