Finding the Fourth Proportional to 419,256.15, 578,560.84 and 232,986.97
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Solution
The fourth proportional to 419,256.15, 578,560.84 and 232,986.97 is: 321,514.99
Step by Step Solution
- Step 1: Write the proportion equation
419,256.15 : 578,560.84 = 232,986.97 : x - Step 2: Convert to fraction form
419,256.15/578,560.84 = 232,986.97/x - Step 3: Cross multiply
419,256.15x = 578,560.84 × 232,986.97 - Step 4: Simplify right side
419,256.15x = 134,797,137,072.26 - Step 5: Solve for x
x = 134,797,137,072.26/419,256.15 - Step 6: Final answer
x = 321,514.99
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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.