Finding the Fourth Proportional to 135,251.80, 202,877.70 and 61,379.80
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Solution
The fourth proportional to 135,251.80, 202,877.70 and 61,379.80 is: 92,069.70
Step by Step Solution
- Step 1: Write the proportion equation
135,251.80 : 202,877.70 = 61,379.80 : x - Step 2: Convert to fraction form
135,251.80/202,877.70 = 61,379.80/x - Step 3: Cross multiply
135,251.80x = 202,877.70 × 61,379.80 - Step 4: Simplify right side
135,251.80x = 12,452,592,650.46 - Step 5: Solve for x
x = 12,452,592,650.46/135,251.80 - Step 6: Final answer
x = 92,069.70
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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.