Finding the Fourth Proportional to 135,927.70, 203,920.73 and 52,821.70
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Solution
The fourth proportional to 135,927.70, 203,920.73 and 52,821.70 is: 79,243.89
Step by Step Solution
- Step 1: Write the proportion equation
135,927.70 : 203,920.73 = 52,821.70 : x - Step 2: Convert to fraction form
135,927.70/203,920.73 = 52,821.70/x - Step 3: Cross multiply
135,927.70x = 203,920.73 × 52,821.70 - Step 4: Simplify right side
135,927.70x = 10,771,439,623.84 - Step 5: Solve for x
x = 10,771,439,623.84/135,927.70 - Step 6: Final answer
x = 79,243.89
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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.