Finding the Fourth Proportional to 292,994.20, 439,452.26 and 82,649.08
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Solution
The fourth proportional to 292,994.20, 439,452.26 and 82,649.08 is: 123,962.61
Step by Step Solution
- Step 1: Write the proportion equation
292,994.20 : 439,452.26 = 82,649.08 : x - Step 2: Convert to fraction form
292,994.20/439,452.26 = 82,649.08/x - Step 3: Cross multiply
292,994.20x = 439,452.26 × 82,649.08 - Step 4: Simplify right side
292,994.20x = 36,320,324,992.92 - Step 5: Solve for x
x = 36,320,324,992.92/292,994.20 - Step 6: Final answer
x = 123,962.61
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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.