Finding the Fourth Proportional to 154,135.26, 231,202.88 and 43,327.26
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Solution
The fourth proportional to 154,135.26, 231,202.88 and 43,327.26 is: 64,990.89
Step by Step Solution
- Step 1: Write the proportion equation
154,135.26 : 231,202.88 = 43,327.26 : x - Step 2: Convert to fraction form
154,135.26/231,202.88 = 43,327.26/x - Step 3: Cross multiply
154,135.26x = 231,202.88 × 43,327.26 - Step 4: Simplify right side
154,135.26x = 10,017,387,294.51 - Step 5: Solve for x
x = 10,017,387,294.51/154,135.26 - Step 6: Final answer
x = 64,990.89
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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.