Finding the Fourth Proportional to 132,416.10, 198,624.15 and 121,529.70
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Solution
The fourth proportional to 132,416.10, 198,624.15 and 121,529.70 is: 182,294.55
Step by Step Solution
- Step 1: Write the proportion equation
132,416.10 : 198,624.15 = 121,529.70 : x - Step 2: Convert to fraction form
132,416.10/198,624.15 = 121,529.70/x - Step 3: Cross multiply
132,416.10x = 198,624.15 × 121,529.70 - Step 4: Simplify right side
132,416.10x = 24,138,733,362.26 - Step 5: Solve for x
x = 24,138,733,362.26/132,416.10 - Step 6: Final answer
x = 182,294.55
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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.