Finding the Fourth Proportional to 203,173.11, 280,380.99 and 122,585.06
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Solution
The fourth proportional to 203,173.11, 280,380.99 and 122,585.06 is: 169,168.65
Step by Step Solution
- Step 1: Write the proportion equation
203,173.11 : 280,380.99 = 122,585.06 : x - Step 2: Convert to fraction form
203,173.11/280,380.99 = 122,585.06/x - Step 3: Cross multiply
203,173.11x = 280,380.99 × 122,585.06 - Step 4: Simplify right side
203,173.11x = 34,370,521,642.66 - Step 5: Solve for x
x = 34,370,521,642.66/203,173.11 - Step 6: Final answer
x = 169,168.65
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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.