Finding the Fourth Proportional to 135,876.48, 203,827.68 and 52,776.96
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Solution
The fourth proportional to 135,876.48, 203,827.68 and 52,776.96 is: 79,170.47
Step by Step Solution
- Step 1: Write the proportion equation
135,876.48 : 203,827.68 = 52,776.96 : x - Step 2: Convert to fraction form
135,876.48/203,827.68 = 52,776.96/x - Step 3: Cross multiply
135,876.48x = 203,827.68 × 52,776.96 - Step 4: Simplify right side
135,876.48x = 10,757,405,314.25 - Step 5: Solve for x
x = 10,757,405,314.25/135,876.48 - Step 6: Final answer
x = 79,170.47
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1.5x scale
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.