Finding the Fourth Proportional to 303,122.10, 418,298.90 and 167,161.80
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Solution
The fourth proportional to 303,122.10, 418,298.90 and 167,161.80 is: 230,677.99
Step by Step Solution
- Step 1: Write the proportion equation
303,122.10 : 418,298.90 = 167,161.80 : x - Step 2: Convert to fraction form
303,122.10/418,298.90 = 167,161.80/x - Step 3: Cross multiply
303,122.10x = 418,298.90 × 167,161.80 - Step 4: Simplify right side
303,122.10x = 69,923,597,062.02 - Step 5: Solve for x
x = 69,923,597,062.02/303,122.10 - Step 6: Final answer
x = 230,677.99
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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.