Finding the Fourth Proportional to 328,411.08, 453,207.60 and 177,508.08
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Solution
The fourth proportional to 328,411.08, 453,207.60 and 177,508.08 is: 244,961.32
Step by Step Solution
- Step 1: Write the proportion equation
328,411.08 : 453,207.60 = 177,508.08 : x - Step 2: Convert to fraction form
328,411.08/453,207.60 = 177,508.08/x - Step 3: Cross multiply
328,411.08x = 453,207.60 × 177,508.08 - Step 4: Simplify right side
328,411.08x = 80,448,010,917.41 - Step 5: Solve for x
x = 80,448,010,917.41/328,411.08 - Step 6: Final answer
x = 244,961.32
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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.