Finding the Fourth Proportional to 203,660.55, 305,392.16 and 119,448.29
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Solution
The fourth proportional to 203,660.55, 305,392.16 and 119,448.29 is: 179,114.56
Step by Step Solution
- Step 1: Write the proportion equation
203,660.55 : 305,392.16 = 119,448.29 : x - Step 2: Convert to fraction form
203,660.55/305,392.16 = 119,448.29/x - Step 3: Cross multiply
203,660.55x = 305,392.16 × 119,448.29 - Step 4: Simplify right side
203,660.55x = 36,478,569,167.20 - Step 5: Solve for x
x = 36,478,569,167.20/203,660.55 - Step 6: Final answer
x = 179,114.56
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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.