Finding the Fourth Proportional to 385,759.60, 532,342.62 and 213,676.99
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Solution
The fourth proportional to 385,759.60, 532,342.62 and 213,676.99 is: 294,871.13
Step by Step Solution
- Step 1: Write the proportion equation
385,759.60 : 532,342.62 = 213,676.99 : x - Step 2: Convert to fraction form
385,759.60/532,342.62 = 213,676.99/x - Step 3: Cross multiply
385,759.60x = 532,342.62 × 213,676.99 - Step 4: Simplify right side
385,759.60x = 113,749,367,359.46 - Step 5: Solve for x
x = 113,749,367,359.46/385,759.60 - Step 6: Final answer
x = 294,871.13
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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.