Finding the Fourth Proportional to 328,533.19, 453,375.80 and 177,630.19
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Solution
The fourth proportional to 328,533.19, 453,375.80 and 177,630.19 is: 245,129.66
Step by Step Solution
- Step 1: Write the proportion equation
328,533.19 : 453,375.80 = 177,630.19 : x - Step 2: Convert to fraction form
328,533.19/453,375.80 = 177,630.19/x - Step 3: Cross multiply
328,533.19x = 453,375.80 × 177,630.19 - Step 4: Simplify right side
328,533.19x = 80,533,228,139.92 - Step 5: Solve for x
x = 80,533,228,139.92/328,533.19 - Step 6: Final answer
x = 245,129.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.