Finding the Fourth Proportional to 186,616.84, 257,505.26 and 110,139.14
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Solution
The fourth proportional to 186,616.84, 257,505.26 and 110,139.14 is: 151,976.68
Step by Step Solution
- Step 1: Write the proportion equation
186,616.84 : 257,505.26 = 110,139.14 : x - Step 2: Convert to fraction form
186,616.84/257,505.26 = 110,139.14/x - Step 3: Cross multiply
186,616.84x = 257,505.26 × 110,139.14 - Step 4: Simplify right side
186,616.84x = 28,361,407,881.88 - Step 5: Solve for x
x = 28,361,407,881.88/186,616.84 - Step 6: Final answer
x = 151,976.68
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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.