Finding the Fourth Proportional to 100,850.68, 151,276.02 and 72,857.08
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Solution
The fourth proportional to 100,850.68, 151,276.02 and 72,857.08 is: 109,285.61
Step by Step Solution
- Step 1: Write the proportion equation
100,850.68 : 151,276.02 = 72,857.08 : x - Step 2: Convert to fraction form
100,850.68/151,276.02 = 72,857.08/x - Step 3: Cross multiply
100,850.68x = 151,276.02 × 72,857.08 - Step 4: Simplify right side
100,850.68x = 11,021,527,970.56 - Step 5: Solve for x
x = 11,021,527,970.56/100,850.68 - Step 6: Final answer
x = 109,285.61
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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.