Finding the Fourth Proportional to 356,367.08, 491,787.16 and 195,218.60
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Solution
The fourth proportional to 356,367.08, 491,787.16 and 195,218.60 is: 269,401.99
Step by Step Solution
- Step 1: Write the proportion equation
356,367.08 : 491,787.16 = 195,218.60 : x - Step 2: Convert to fraction form
356,367.08/491,787.16 = 195,218.60/x - Step 3: Cross multiply
356,367.08x = 491,787.16 × 195,218.60 - Step 4: Simplify right side
356,367.08x = 96,006,000,873.18 - Step 5: Solve for x
x = 96,006,000,873.18/356,367.08 - Step 6: Final answer
x = 269,401.99
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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.