Finding the Fourth Proportional to 328,881.44, 453,857.84 and 177,978.48
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Solution
The fourth proportional to 328,881.44, 453,857.84 and 177,978.48 is: 245,611.09
Step by Step Solution
- Step 1: Write the proportion equation
328,881.44 : 453,857.84 = 177,978.48 : x - Step 2: Convert to fraction form
328,881.44/453,857.84 = 177,978.48/x - Step 3: Cross multiply
328,881.44x = 453,857.84 × 177,978.48 - Step 4: Simplify right side
328,881.44x = 80,776,928,499.28 - Step 5: Solve for x
x = 80,776,928,499.28/328,881.44 - Step 6: Final answer
x = 245,611.09
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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.