Finding the Fourth Proportional to 212,858.88, 293,718.24 and 132,299.52
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Solution
The fourth proportional to 212,858.88, 293,718.24 and 132,299.52 is: 182,556.55
Step by Step Solution
- Step 1: Write the proportion equation
212,858.88 : 293,718.24 = 132,299.52 : x - Step 2: Convert to fraction form
212,858.88/293,718.24 = 132,299.52/x - Step 3: Cross multiply
212,858.88x = 293,718.24 × 132,299.52 - Step 4: Simplify right side
212,858.88x = 38,858,782,167.24 - Step 5: Solve for x
x = 38,858,782,167.24/212,858.88 - Step 6: Final answer
x = 182,556.55
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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.