Finding the Fourth Proportional to 135,517.08, 203,238.90 and 56,614.80
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Solution
The fourth proportional to 135,517.08, 203,238.90 and 56,614.80 is: 84,906.86
Step by Step Solution
- Step 1: Write the proportion equation
135,517.08 : 203,238.90 = 56,614.80 : x - Step 2: Convert to fraction form
135,517.08/203,238.90 = 56,614.80/x - Step 3: Cross multiply
135,517.08x = 203,238.90 × 56,614.80 - Step 4: Simplify right side
135,517.08x = 11,506,329,675.72 - Step 5: Solve for x
x = 11,506,329,675.72/135,517.08 - Step 6: Final answer
x = 84,906.86
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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.