Finding the Fourth Proportional to 328,514.70, 492,772.05 and 295,272.30
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Solution
The fourth proportional to 328,514.70, 492,772.05 and 295,272.30 is: 442,908.45
Step by Step Solution
- Step 1: Write the proportion equation
328,514.70 : 492,772.05 = 295,272.30 : x - Step 2: Convert to fraction form
328,514.70/492,772.05 = 295,272.30/x - Step 3: Cross multiply
328,514.70x = 492,772.05 × 295,272.30 - Step 4: Simplify right side
328,514.70x = 145,501,936,579.22 - Step 5: Solve for x
x = 145,501,936,579.22/328,514.70 - Step 6: Final answer
x = 442,908.45
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1.5x scale
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.