Finding the Fourth Proportional to 185,759.68, 256,351.56 and 100,876.75
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Solution
The fourth proportional to 185,759.68, 256,351.56 and 100,876.75 is: 139,211.65
Step by Step Solution
- Step 1: Write the proportion equation
185,759.68 : 256,351.56 = 100,876.75 : x - Step 2: Convert to fraction form
185,759.68/256,351.56 = 100,876.75/x - Step 3: Cross multiply
185,759.68x = 256,351.56 × 100,876.75 - Step 4: Simplify right side
185,759.68x = 25,859,912,230.23 - Step 5: Solve for x
x = 25,859,912,230.23/185,759.68 - Step 6: Final answer
x = 139,211.65
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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.