Finding the Fourth Proportional to 203,194.21, 280,545.02 and 126,829.63
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Solution
The fourth proportional to 203,194.21, 280,545.02 and 126,829.63 is: 175,110.41
Step by Step Solution
- Step 1: Write the proportion equation
203,194.21 : 280,545.02 = 126,829.63 : x - Step 2: Convert to fraction form
203,194.21/280,545.02 = 126,829.63/x - Step 3: Cross multiply
203,194.21x = 280,545.02 × 126,829.63 - Step 4: Simplify right side
203,194.21x = 35,581,421,084.94 - Step 5: Solve for x
x = 35,581,421,084.94/203,194.21 - Step 6: Final answer
x = 175,110.41
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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.