Finding the Fourth Proportional to 135,967.20, 203,950.80 and 82,823.10
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Solution
The fourth proportional to 135,967.20, 203,950.80 and 82,823.10 is: 124,234.65
Step by Step Solution
- Step 1: Write the proportion equation
135,967.20 : 203,950.80 = 82,823.10 : x - Step 2: Convert to fraction form
135,967.20/203,950.80 = 82,823.10/x - Step 3: Cross multiply
135,967.20x = 203,950.80 × 82,823.10 - Step 4: Simplify right side
135,967.20x = 16,891,837,503.48 - Step 5: Solve for x
x = 16,891,837,503.48/135,967.20 - Step 6: Final answer
x = 124,234.65
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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.