Finding the Fourth Proportional to 328,486.70, 492,730.05 and 275,342.60
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Solution
The fourth proportional to 328,486.70, 492,730.05 and 275,342.60 is: 413,013.90
Step by Step Solution
- Step 1: Write the proportion equation
328,486.70 : 492,730.05 = 275,342.60 : x - Step 2: Convert to fraction form
328,486.70/492,730.05 = 275,342.60/x - Step 3: Cross multiply
328,486.70x = 492,730.05 × 275,342.60 - Step 4: Simplify right side
328,486.70x = 135,669,573,065.13 - Step 5: Solve for x
x = 135,669,573,065.13/328,486.70 - Step 6: Final answer
x = 413,013.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.