Finding the Fourth Proportional to 300,998.61, 451,492.76 and 101,318.99
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Solution
The fourth proportional to 300,998.61, 451,492.76 and 101,318.99 is: 151,976.74
Step by Step Solution
- Step 1: Write the proportion equation
300,998.61 : 451,492.76 = 101,318.99 : x - Step 2: Convert to fraction form
300,998.61/451,492.76 = 101,318.99/x - Step 3: Cross multiply
300,998.61x = 451,492.76 × 101,318.99 - Step 4: Simplify right side
300,998.61x = 45,744,787,671.45 - Step 5: Solve for x
x = 45,744,787,671.45/300,998.61 - Step 6: Final answer
x = 151,976.74
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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.