Finding the Fourth Proportional to 292,852.26, 439,278.39 and 82,489.86
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Solution
The fourth proportional to 292,852.26, 439,278.39 and 82,489.86 is: 123,734.79
Step by Step Solution
- Step 1: Write the proportion equation
292,852.26 : 439,278.39 = 82,489.86 : x - Step 2: Convert to fraction form
292,852.26/439,278.39 = 82,489.86/x - Step 3: Cross multiply
292,852.26x = 439,278.39 × 82,489.86 - Step 4: Simplify right side
292,852.26x = 36,236,012,892.13 - Step 5: Solve for x
x = 36,236,012,892.13/292,852.26 - Step 6: Final answer
x = 123,734.79
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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.