Finding the Fourth Proportional to 356,689.98, 492,236.18 and 203,748.36
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Solution
The fourth proportional to 356,689.98, 492,236.18 and 203,748.36 is: 281,175.02
Step by Step Solution
- Step 1: Write the proportion equation
356,689.98 : 492,236.18 = 203,748.36 : x - Step 2: Convert to fraction form
356,689.98/492,236.18 = 203,748.36/x - Step 3: Cross multiply
356,689.98x = 492,236.18 × 203,748.36 - Step 4: Simplify right side
356,689.98x = 100,292,313,388.92 - Step 5: Solve for x
x = 100,292,313,388.92/356,689.98 - Step 6: Final answer
x = 281,175.02
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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.