Finding the Fourth Proportional to 477,311.68, 715,951.26 and 122,329.18
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Solution
The fourth proportional to 477,311.68, 715,951.26 and 122,329.18 is: 183,489.60
Step by Step Solution
- Step 1: Write the proportion equation
477,311.68 : 715,951.26 = 122,329.18 : x - Step 2: Convert to fraction form
477,311.68/715,951.26 = 122,329.18/x - Step 3: Cross multiply
477,311.68x = 715,951.26 × 122,329.18 - Step 4: Simplify right side
477,311.68x = 87,581,730,555.77 - Step 5: Solve for x
x = 87,581,730,555.77/477,311.68 - Step 6: Final answer
x = 183,489.60
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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.