Finding the Fourth Proportional to 186,775.68, 257,751.36 and 101,892.78
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Solution
The fourth proportional to 186,775.68, 257,751.36 and 101,892.78 is: 140,612.54
Step by Step Solution
- Step 1: Write the proportion equation
186,775.68 : 257,751.36 = 101,892.78 : x - Step 2: Convert to fraction form
186,775.68/257,751.36 = 101,892.78/x - Step 3: Cross multiply
186,775.68x = 257,751.36 × 101,892.78 - Step 4: Simplify right side
186,775.68x = 26,263,002,619.18 - Step 5: Solve for x
x = 26,263,002,619.18/186,775.68 - Step 6: Final answer
x = 140,612.54
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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.