Finding the Fourth Proportional to 203,937.24, 305,852.40 and 91,554.60
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Solution
The fourth proportional to 203,937.24, 305,852.40 and 91,554.60 is: 137,307.90
Step by Step Solution
- Step 1: Write the proportion equation
203,937.24 : 305,852.40 = 91,554.60 : x - Step 2: Convert to fraction form
203,937.24/305,852.40 = 91,554.60/x - Step 3: Cross multiply
203,937.24x = 305,852.40 × 91,554.60 - Step 4: Simplify right side
203,937.24x = 28,002,194,141.04 - Step 5: Solve for x
x = 28,002,194,141.04/203,937.24 - Step 6: Final answer
x = 137,307.90
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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.