Finding the Fourth Proportional to 328,752.12, 453,674.70 and 177,845.88
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Solution
The fourth proportional to 328,752.12, 453,674.70 and 177,845.88 is: 245,425.57
Step by Step Solution
- Step 1: Write the proportion equation
328,752.12 : 453,674.70 = 177,845.88 : x - Step 2: Convert to fraction form
328,752.12/453,674.70 = 177,845.88/x - Step 3: Cross multiply
328,752.12x = 453,674.70 × 177,845.88 - Step 4: Simplify right side
328,752.12x = 80,684,176,255.24 - Step 5: Solve for x
x = 80,684,176,255.24/328,752.12 - Step 6: Final answer
x = 245,425.57
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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.