Finding the Fourth Proportional to 221,674.10, 332,511.15 and 133,027.70
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Solution
The fourth proportional to 221,674.10, 332,511.15 and 133,027.70 is: 199,541.55
Step by Step Solution
- Step 1: Write the proportion equation
221,674.10 : 332,511.15 = 133,027.70 : x - Step 2: Convert to fraction form
221,674.10/332,511.15 = 133,027.70/x - Step 3: Cross multiply
221,674.10x = 332,511.15 × 133,027.70 - Step 4: Simplify right side
221,674.10x = 44,233,193,508.86 - Step 5: Solve for x
x = 44,233,193,508.86/221,674.10 - Step 6: Final answer
x = 199,541.55
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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.