Finding the Fourth Proportional to 203,257.55, 303,436.26 and 189,750.06
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Solution
The fourth proportional to 203,257.55, 303,436.26 and 189,750.06 is: 283,271.38
Step by Step Solution
- Step 1: Write the proportion equation
203,257.55 : 303,436.26 = 189,750.06 : x - Step 2: Convert to fraction form
203,257.55/303,436.26 = 189,750.06/x - Step 3: Cross multiply
203,257.55x = 303,436.26 × 189,750.06 - Step 4: Simplify right side
203,257.55x = 57,577,047,592.43 - Step 5: Solve for x
x = 57,577,047,592.43/203,257.55 - Step 6: Final answer
x = 283,271.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.