Finding the Fourth Proportional to 189,597.78, 284,455.35 and 113,780.98
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Solution
The fourth proportional to 189,597.78, 284,455.35 and 113,780.98 is: 170,706.68
Step by Step Solution
- Step 1: Write the proportion equation
189,597.78 : 284,455.35 = 113,780.98 : x - Step 2: Convert to fraction form
189,597.78/284,455.35 = 113,780.98/x - Step 3: Cross multiply
189,597.78x = 284,455.35 × 113,780.98 - Step 4: Simplify right side
189,597.78x = 32,365,608,489.24 - Step 5: Solve for x
x = 32,365,608,489.24/189,597.78 - Step 6: Final answer
x = 170,706.68
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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.