Finding the Fourth Proportional to 275,839.08, 413,464.59 and 157,255.08
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Solution
The fourth proportional to 275,839.08, 413,464.59 and 157,255.08 is: 235,714.99
Step by Step Solution
- Step 1: Write the proportion equation
275,839.08 : 413,464.59 = 157,255.08 : x - Step 2: Convert to fraction form
275,839.08/413,464.59 = 157,255.08/x - Step 3: Cross multiply
275,839.08x = 413,464.59 × 157,255.08 - Step 4: Simplify right side
275,839.08x = 65,019,407,177.62 - Step 5: Solve for x
x = 65,019,407,177.62/275,839.08 - Step 6: Final answer
x = 235,714.99
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1.5x scale
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.