Finding the Fourth Proportional to 186,530.91, 257,400.34 and 104,871.75
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Solution
The fourth proportional to 186,530.91, 257,400.34 and 104,871.75 is: 144,716.09
Step by Step Solution
- Step 1: Write the proportion equation
186,530.91 : 257,400.34 = 104,871.75 : x - Step 2: Convert to fraction form
186,530.91/257,400.34 = 104,871.75/x - Step 3: Cross multiply
186,530.91x = 257,400.34 × 104,871.75 - Step 4: Simplify right side
186,530.91x = 26,994,024,106.40 - Step 5: Solve for x
x = 26,994,024,106.40/186,530.91 - Step 6: Final answer
x = 144,716.09
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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.