Finding the Fourth Proportional to 356,294.88, 491,694.84 and 203,329.98
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Solution
The fourth proportional to 356,294.88, 491,694.84 and 203,329.98 is: 280,599.88
Step by Step Solution
- Step 1: Write the proportion equation
356,294.88 : 491,694.84 = 203,329.98 : x - Step 2: Convert to fraction form
356,294.88/491,694.84 = 203,329.98/x - Step 3: Cross multiply
356,294.88x = 491,694.84 × 203,329.98 - Step 4: Simplify right side
356,294.88x = 99,976,301,983.30 - Step 5: Solve for x
x = 99,976,301,983.30/356,294.88 - Step 6: Final answer
x = 280,599.88
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1.5x scale
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.