Finding the Fourth Proportional to 330,727.68, 456,243.84 and 196,496.64
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Solution
The fourth proportional to 330,727.68, 456,243.84 and 196,496.64 is: 271,070.09
Step by Step Solution
- Step 1: Write the proportion equation
330,727.68 : 456,243.84 = 196,496.64 : x - Step 2: Convert to fraction form
330,727.68/456,243.84 = 196,496.64/x - Step 3: Cross multiply
330,727.68x = 456,243.84 × 196,496.64 - Step 4: Simplify right side
330,727.68x = 89,650,381,580.70 - Step 5: Solve for x
x = 89,650,381,580.70/330,727.68 - Step 6: Final answer
x = 271,070.09
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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.