Finding the Fourth Proportional to 328,894.07, 453,873.84 and 177,991.07
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Solution
The fourth proportional to 328,894.07, 453,873.84 and 177,991.07 is: 245,627.69
Step by Step Solution
- Step 1: Write the proportion equation
328,894.07 : 453,873.84 = 177,991.07 : x - Step 2: Convert to fraction form
328,894.07/453,873.84 = 177,991.07/x - Step 3: Cross multiply
328,894.07x = 453,873.84 × 177,991.07 - Step 4: Simplify right side
328,894.07x = 80,785,490,426.61 - Step 5: Solve for x
x = 80,785,490,426.61/328,894.07 - Step 6: Final answer
x = 245,627.69
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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.