Finding the Fourth Proportional to 327,816.24, 491,811.86 and 117,475.44
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Solution
The fourth proportional to 327,816.24, 491,811.86 and 117,475.44 is: 176,244.52
Step by Step Solution
- Step 1: Write the proportion equation
327,816.24 : 491,811.86 = 117,475.44 : x - Step 2: Convert to fraction form
327,816.24/491,811.86 = 117,475.44/x - Step 3: Cross multiply
327,816.24x = 491,811.86 × 117,475.44 - Step 4: Simplify right side
327,816.24x = 57,775,814,650.72 - Step 5: Solve for x
x = 57,775,814,650.72/327,816.24 - Step 6: Final answer
x = 176,244.52
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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.