Finding the Fourth Proportional to 186,102.05, 279,267.87 and 86,243.63
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Solution
The fourth proportional to 186,102.05, 279,267.87 and 86,243.63 is: 129,418.64
Step by Step Solution
- Step 1: Write the proportion equation
186,102.05 : 279,267.87 = 86,243.63 : x - Step 2: Convert to fraction form
186,102.05/279,267.87 = 86,243.63/x - Step 3: Cross multiply
186,102.05x = 279,267.87 × 86,243.63 - Step 4: Simplify right side
186,102.05x = 24,085,073,454.83 - Step 5: Solve for x
x = 24,085,073,454.83/186,102.05 - Step 6: Final answer
x = 129,418.64
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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.