Finding the Fourth Proportional to 328,866.64, 453,836.56 and 177,963.68
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Solution
The fourth proportional to 328,866.64, 453,836.56 and 177,963.68 is: 245,590.20
Step by Step Solution
- Step 1: Write the proportion equation
328,866.64 : 453,836.56 = 177,963.68 : x - Step 2: Convert to fraction form
328,866.64/453,836.56 = 177,963.68/x - Step 3: Cross multiply
328,866.64x = 453,836.56 × 177,963.68 - Step 4: Simplify right side
328,866.64x = 80,766,424,336.14 - Step 5: Solve for x
x = 80,766,424,336.14/328,866.64 - Step 6: Final answer
x = 245,590.20
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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.