Finding the Fourth Proportional to 135,698.96, 203,548.96 and 56,757.81
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Solution
The fourth proportional to 135,698.96, 203,548.96 and 56,757.81 is: 85,136.94
Step by Step Solution
- Step 1: Write the proportion equation
135,698.96 : 203,548.96 = 56,757.81 : x - Step 2: Convert to fraction form
135,698.96/203,548.96 = 56,757.81/x - Step 3: Cross multiply
135,698.96x = 203,548.96 × 56,757.81 - Step 4: Simplify right side
135,698.96x = 11,552,993,197.38 - Step 5: Solve for x
x = 11,552,993,197.38/135,698.96 - Step 6: Final answer
x = 85,136.94
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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.