Finding the Fourth Proportional to 247,670.14, 341,786.10 and 140,261.08
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Solution
The fourth proportional to 247,670.14, 341,786.10 and 140,261.08 is: 193,561.03
Step by Step Solution
- Step 1: Write the proportion equation
247,670.14 : 341,786.10 = 140,261.08 : x - Step 2: Convert to fraction form
247,670.14/341,786.10 = 140,261.08/x - Step 3: Cross multiply
247,670.14x = 341,786.10 × 140,261.08 - Step 4: Simplify right side
247,670.14x = 47,939,287,514.99 - Step 5: Solve for x
x = 47,939,287,514.99/247,670.14 - Step 6: Final answer
x = 193,561.03
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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.