Finding the Fourth Proportional to 186,743.18, 279,983.56 and 68,399.14
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Solution
The fourth proportional to 186,743.18, 279,983.56 and 68,399.14 is: 102,550.65
Step by Step Solution
- Step 1: Write the proportion equation
186,743.18 : 279,983.56 = 68,399.14 : x - Step 2: Convert to fraction form
186,743.18/279,983.56 = 68,399.14/x - Step 3: Cross multiply
186,743.18x = 279,983.56 × 68,399.14 - Step 4: Simplify right side
186,743.18x = 19,150,634,718.14 - Step 5: Solve for x
x = 19,150,634,718.14/186,743.18 - Step 6: Final answer
x = 102,550.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.