Finding the Fourth Proportional to 186,465.94, 257,341.56 and 113,864.82
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Solution
The fourth proportional to 186,465.94, 257,341.56 and 113,864.82 is: 157,144.79
Step by Step Solution
- Step 1: Write the proportion equation
186,465.94 : 257,341.56 = 113,864.82 : x - Step 2: Convert to fraction form
186,465.94/257,341.56 = 113,864.82/x - Step 3: Cross multiply
186,465.94x = 257,341.56 × 113,864.82 - Step 4: Simplify right side
186,465.94x = 29,302,150,407.92 - Step 5: Solve for x
x = 29,302,150,407.92/186,465.94 - Step 6: Final answer
x = 157,144.79
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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.