Finding the Fourth Proportional to 263,503.13, 395,253.95 and 203,618.75
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Solution
The fourth proportional to 263,503.13, 395,253.95 and 203,618.75 is: 305,427.54
Step by Step Solution
- Step 1: Write the proportion equation
263,503.13 : 395,253.95 = 203,618.75 : x - Step 2: Convert to fraction form
263,503.13/395,253.95 = 203,618.75/x - Step 3: Cross multiply
263,503.13x = 395,253.95 × 203,618.75 - Step 4: Simplify right side
263,503.13x = 80,481,112,237.20 - Step 5: Solve for x
x = 80,481,112,237.20/263,503.13 - Step 6: Final answer
x = 305,427.54
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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.