Finding the Fourth Proportional to 186,121.48, 279,069.46 and 83,519.99
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Solution
The fourth proportional to 186,121.48, 279,069.46 and 83,519.99 is: 125,229.38
Step by Step Solution
- Step 1: Write the proportion equation
186,121.48 : 279,069.46 = 83,519.99 : x - Step 2: Convert to fraction form
186,121.48/279,069.46 = 83,519.99/x - Step 3: Cross multiply
186,121.48x = 279,069.46 × 83,519.99 - Step 4: Simplify right side
186,121.48x = 23,307,877,753.24 - Step 5: Solve for x
x = 23,307,877,753.24/186,121.48 - Step 6: Final answer
x = 125,229.38
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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.