Finding the Fourth Proportional to 843,649.19, 1,265,659.68 and 244,635.36
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Solution
The fourth proportional to 843,649.19, 1,265,659.68 and 244,635.36 is: 367,006.95
Step by Step Solution
- Step 1: Write the proportion equation
843,649.19 : 1,265,659.68 = 244,635.36 : x - Step 2: Convert to fraction form
843,649.19/1,265,659.68 = 244,635.36/x - Step 3: Cross multiply
843,649.19x = 1,265,659.68 × 244,635.36 - Step 4: Simplify right side
843,649.19x = 309,625,111,454.29 - Step 5: Solve for x
x = 309,625,111,454.29/843,649.19 - Step 6: Final answer
x = 367,006.95
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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.