Finding the Fourth Proportional to 243,314.07, 335,770.10 and 135,885.99
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Solution
The fourth proportional to 243,314.07, 335,770.10 and 135,885.99 is: 187,520.81
Step by Step Solution
- Step 1: Write the proportion equation
243,314.07 : 335,770.10 = 135,885.99 : x - Step 2: Convert to fraction form
243,314.07/335,770.10 = 135,885.99/x - Step 3: Cross multiply
243,314.07x = 335,770.10 × 135,885.99 - Step 4: Simplify right side
243,314.07x = 45,626,451,771.47 - Step 5: Solve for x
x = 45,626,451,771.47/243,314.07 - Step 6: Final answer
x = 187,520.81
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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.