Finding the Fourth Proportional to 186,433.70, 279,129.41 and 100,737.52
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Solution
The fourth proportional to 186,433.70, 279,129.41 and 100,737.52 is: 150,824.68
Step by Step Solution
- Step 1: Write the proportion equation
186,433.70 : 279,129.41 = 100,737.52 : x - Step 2: Convert to fraction form
186,433.70/279,129.41 = 100,737.52/x - Step 3: Cross multiply
186,433.70x = 279,129.41 × 100,737.52 - Step 4: Simplify right side
186,433.70x = 28,118,802,623.13 - Step 5: Solve for x
x = 28,118,802,623.13/186,433.70 - Step 6: Final answer
x = 150,824.68
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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.