Finding the Fourth Proportional to 486,141.24, 670,873.68 and 271,279.02
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Solution
The fourth proportional to 486,141.24, 670,873.68 and 271,279.02 is: 374,364.36
Step by Step Solution
- Step 1: Write the proportion equation
486,141.24 : 670,873.68 = 271,279.02 : x - Step 2: Convert to fraction form
486,141.24/670,873.68 = 271,279.02/x - Step 3: Cross multiply
486,141.24x = 670,873.68 × 271,279.02 - Step 4: Simplify right side
486,141.24x = 181,993,954,454.19 - Step 5: Solve for x
x = 181,993,954,454.19/486,141.24 - Step 6: Final answer
x = 374,364.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.