Finding the Fourth Proportional to 203,316.99, 305,080.05 and 96,821.70
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Solution
The fourth proportional to 203,316.99, 305,080.05 and 96,821.70 is: 145,282.35
Step by Step Solution
- Step 1: Write the proportion equation
203,316.99 : 305,080.05 = 96,821.70 : x - Step 2: Convert to fraction form
203,316.99/305,080.05 = 96,821.70/x - Step 3: Cross multiply
203,316.99x = 305,080.05 × 96,821.70 - Step 4: Simplify right side
203,316.99x = 29,538,370,053.30 - Step 5: Solve for x
x = 29,538,370,053.30/203,316.99 - Step 6: Final answer
x = 145,282.35
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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.