Finding the Fourth Proportional to 356,011.68, 491,198.96 and 202,994.08
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Solution
The fourth proportional to 356,011.68, 491,198.96 and 202,994.08 is: 280,076.43
Step by Step Solution
- Step 1: Write the proportion equation
356,011.68 : 491,198.96 = 202,994.08 : x - Step 2: Convert to fraction form
356,011.68/491,198.96 = 202,994.08/x - Step 3: Cross multiply
356,011.68x = 491,198.96 × 202,994.08 - Step 4: Simplify right side
356,011.68x = 99,710,480,261.64 - Step 5: Solve for x
x = 99,710,480,261.64/356,011.68 - Step 6: Final answer
x = 280,076.43
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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.