Finding the Fourth Proportional to 135,711.22, 203,502.12 and 60,831.99
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Solution
The fourth proportional to 135,711.22, 203,502.12 and 60,831.99 is: 91,218.98
Step by Step Solution
- Step 1: Write the proportion equation
135,711.22 : 203,502.12 = 60,831.99 : x - Step 2: Convert to fraction form
135,711.22/203,502.12 = 60,831.99/x - Step 3: Cross multiply
135,711.22x = 203,502.12 × 60,831.99 - Step 4: Simplify right side
135,711.22x = 12,379,438,928.82 - Step 5: Solve for x
x = 12,379,438,928.82/135,711.22 - Step 6: Final answer
x = 91,218.98
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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.