Finding the Fourth Proportional to 170,774.20, 256,161.30 and 168,149.80
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Solution
The fourth proportional to 170,774.20, 256,161.30 and 168,149.80 is: 252,224.70
Step by Step Solution
- Step 1: Write the proportion equation
170,774.20 : 256,161.30 = 168,149.80 : x - Step 2: Convert to fraction form
170,774.20/256,161.30 = 168,149.80/x - Step 3: Cross multiply
170,774.20x = 256,161.30 × 168,149.80 - Step 4: Simplify right side
170,774.20x = 43,073,471,362.74 - Step 5: Solve for x
x = 43,073,471,362.74/170,774.20 - Step 6: Final answer
x = 252,224.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.