Finding the Fourth Proportional to 186,759.28, 257,729.67 and 101,878.12
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Solution
The fourth proportional to 186,759.28, 257,729.67 and 101,878.12 is: 140,592.82
Step by Step Solution
- Step 1: Write the proportion equation
186,759.28 : 257,729.67 = 101,878.12 : x - Step 2: Convert to fraction form
186,759.28/257,729.67 = 101,878.12/x - Step 3: Cross multiply
186,759.28x = 257,729.67 × 101,878.12 - Step 4: Simplify right side
186,759.28x = 26,257,014,247.82 - Step 5: Solve for x
x = 26,257,014,247.82/186,759.28 - Step 6: Final answer
x = 140,592.82
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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.