Finding the Fourth Proportional to 328,867.64, 453,837.94 and 177,964.68
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Solution
The fourth proportional to 328,867.64, 453,837.94 and 177,964.68 is: 245,591.58
Step by Step Solution
- Step 1: Write the proportion equation
328,867.64 : 453,837.94 = 177,964.68 : x - Step 2: Convert to fraction form
328,867.64/453,837.94 = 177,964.68/x - Step 3: Cross multiply
328,867.64x = 453,837.94 × 177,964.68 - Step 4: Simplify right side
328,867.64x = 80,767,123,763.96 - Step 5: Solve for x
x = 80,767,123,763.96/328,867.64 - Step 6: Final answer
x = 245,591.58
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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.