Finding the Fourth Proportional to 171,618.70, 257,452.35 and 53,277.70
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Solution
The fourth proportional to 171,618.70, 257,452.35 and 53,277.70 is: 79,924.09
Step by Step Solution
- Step 1: Write the proportion equation
171,618.70 : 257,452.35 = 53,277.70 : x - Step 2: Convert to fraction form
171,618.70/257,452.35 = 53,277.70/x - Step 3: Cross multiply
171,618.70x = 257,452.35 × 53,277.70 - Step 4: Simplify right side
171,618.70x = 13,716,469,067.60 - Step 5: Solve for x
x = 13,716,469,067.60/171,618.70 - Step 6: Final answer
x = 79,924.09
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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.