Finding the Fourth Proportional to 203,763.87, 305,248.19 and 133,429.95
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Solution
The fourth proportional to 203,763.87, 305,248.19 and 133,429.95 is: 199,884.55
Step by Step Solution
- Step 1: Write the proportion equation
203,763.87 : 305,248.19 = 133,429.95 : x - Step 2: Convert to fraction form
203,763.87/305,248.19 = 133,429.95/x - Step 3: Cross multiply
203,763.87x = 305,248.19 × 133,429.95 - Step 4: Simplify right side
203,763.87x = 40,729,250,062.14 - Step 5: Solve for x
x = 40,729,250,062.14/203,763.87 - Step 6: Final answer
x = 199,884.55
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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.