Finding the Fourth Proportional to 186,716.08, 257,665.08 and 101,828.08
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Solution
The fourth proportional to 186,716.08, 257,665.08 and 101,828.08 is: 140,521.05
Step by Step Solution
- Step 1: Write the proportion equation
186,716.08 : 257,665.08 = 101,828.08 : x - Step 2: Convert to fraction form
186,716.08/257,665.08 = 101,828.08/x - Step 3: Cross multiply
186,716.08x = 257,665.08 × 101,828.08 - Step 4: Simplify right side
186,716.08x = 26,237,540,379.45 - Step 5: Solve for x
x = 26,237,540,379.45/186,716.08 - Step 6: Final answer
x = 140,521.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.