Finding the Fourth Proportional to 328,864.75, 453,833.76 and 177,961.75
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Solution
The fourth proportional to 328,864.75, 453,833.76 and 177,961.75 is: 245,587.43
Step by Step Solution
- Step 1: Write the proportion equation
328,864.75 : 453,833.76 = 177,961.75 : x - Step 2: Convert to fraction form
328,864.75/453,833.76 = 177,961.75/x - Step 3: Cross multiply
328,864.75x = 453,833.76 × 177,961.75 - Step 4: Simplify right side
328,864.75x = 80,765,050,138.68 - Step 5: Solve for x
x = 80,765,050,138.68/328,864.75 - Step 6: Final answer
x = 245,587.43
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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.