Finding the Fourth Proportional to 203,174.96, 304,811.10 and 84,780.44
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Solution
The fourth proportional to 203,174.96, 304,811.10 and 84,780.44 is: 127,190.96
Step by Step Solution
- Step 1: Write the proportion equation
203,174.96 : 304,811.10 = 84,780.44 : x - Step 2: Convert to fraction form
203,174.96/304,811.10 = 84,780.44/x - Step 3: Cross multiply
203,174.96x = 304,811.10 × 84,780.44 - Step 4: Simplify right side
203,174.96x = 25,842,019,174.88 - Step 5: Solve for x
x = 25,842,019,174.88/203,174.96 - Step 6: Final answer
x = 127,190.96
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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.