Finding the Fourth Proportional to 242,922.76, 335,233.99 and 135,499.75
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Solution
The fourth proportional to 242,922.76, 335,233.99 and 135,499.75 is: 186,989.98
Step by Step Solution
- Step 1: Write the proportion equation
242,922.76 : 335,233.99 = 135,499.75 : x - Step 2: Convert to fraction form
242,922.76/335,233.99 = 135,499.75/x - Step 3: Cross multiply
242,922.76x = 335,233.99 × 135,499.75 - Step 4: Simplify right side
242,922.76x = 45,424,121,836.50 - Step 5: Solve for x
x = 45,424,121,836.50/242,922.76 - Step 6: Final answer
x = 186,989.98
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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.