Finding the Fourth Proportional to 203,193.23, 280,543.64 and 126,828.63
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Solution
The fourth proportional to 203,193.23, 280,543.64 and 126,828.63 is: 175,109.01
Step by Step Solution
- Step 1: Write the proportion equation
203,193.23 : 280,543.64 = 126,828.63 : x - Step 2: Convert to fraction form
203,193.23/280,543.64 = 126,828.63/x - Step 3: Cross multiply
203,193.23x = 280,543.64 × 126,828.63 - Step 4: Simplify right side
203,193.23x = 35,580,964,882.27 - Step 5: Solve for x
x = 35,580,964,882.27/203,193.23 - Step 6: Final answer
x = 175,109.01
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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.