Finding the Fourth Proportional to 186,678.11, 257,615.31 and 101,795.18
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Solution
The fourth proportional to 186,678.11, 257,615.31 and 101,795.18 is: 140,477.08
Step by Step Solution
- Step 1: Write the proportion equation
186,678.11 : 257,615.31 = 101,795.18 : x - Step 2: Convert to fraction form
186,678.11/257,615.31 = 101,795.18/x - Step 3: Cross multiply
186,678.11x = 257,615.31 × 101,795.18 - Step 4: Simplify right side
186,678.11x = 26,223,995,564.13 - Step 5: Solve for x
x = 26,223,995,564.13/186,678.11 - Step 6: Final answer
x = 140,477.08
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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.