Finding the Fourth Proportional to 104,944.10, 157,416.15 and 100,861.70
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Solution
The fourth proportional to 104,944.10, 157,416.15 and 100,861.70 is: 151,292.55
Step by Step Solution
- Step 1: Write the proportion equation
104,944.10 : 157,416.15 = 100,861.70 : x - Step 2: Convert to fraction form
104,944.10/157,416.15 = 100,861.70/x - Step 3: Cross multiply
104,944.10x = 157,416.15 × 100,861.70 - Step 4: Simplify right side
104,944.10x = 15,877,260,496.46 - Step 5: Solve for x
x = 15,877,260,496.46/104,944.10 - Step 6: Final answer
x = 151,292.55
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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.