Finding the Fourth Proportional to 265,524.51, 398,326.07 and 85,549.62
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Solution
The fourth proportional to 265,524.51, 398,326.07 and 85,549.62 is: 128,337.09
Step by Step Solution
- Step 1: Write the proportion equation
265,524.51 : 398,326.07 = 85,549.62 : x - Step 2: Convert to fraction form
265,524.51/398,326.07 = 85,549.62/x - Step 3: Cross multiply
265,524.51x = 398,326.07 × 85,549.62 - Step 4: Simplify right side
265,524.51x = 34,076,643,496.85 - Step 5: Solve for x
x = 34,076,643,496.85/265,524.51 - Step 6: Final answer
x = 128,337.09
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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.