Finding the Fourth Proportional to 265,180.74, 397,771.14 and 218,335.20
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Solution
The fourth proportional to 265,180.74, 397,771.14 and 218,335.20 is: 327,502.82
Step by Step Solution
- Step 1: Write the proportion equation
265,180.74 : 397,771.14 = 218,335.20 : x - Step 2: Convert to fraction form
265,180.74/397,771.14 = 218,335.20/x - Step 3: Cross multiply
265,180.74x = 397,771.14 × 218,335.20 - Step 4: Simplify right side
265,180.74x = 86,847,441,406.13 - Step 5: Solve for x
x = 86,847,441,406.13/265,180.74 - Step 6: Final answer
x = 327,502.82
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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.