Finding the Fourth Proportional to 252,838.60, 347,844.18 and 245,840.20
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Solution
The fourth proportional to 252,838.60, 347,844.18 and 245,840.20 is: 338,216.09
Step by Step Solution
- Step 1: Write the proportion equation
252,838.60 : 347,844.18 = 245,840.20 : x - Step 2: Convert to fraction form
252,838.60/347,844.18 = 245,840.20/x - Step 3: Cross multiply
252,838.60x = 347,844.18 × 245,840.20 - Step 4: Simplify right side
252,838.60x = 85,514,082,780.04 - Step 5: Solve for x
x = 85,514,082,780.04/252,838.60 - Step 6: Final answer
x = 338,216.09
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1.5x scale
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.