Finding the Fourth Proportional to 214,424.25, 295,711.74 and 133,859.22
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Solution
The fourth proportional to 214,424.25, 295,711.74 and 133,859.22 is: 184,604.79
Step by Step Solution
- Step 1: Write the proportion equation
214,424.25 : 295,711.74 = 133,859.22 : x - Step 2: Convert to fraction form
214,424.25/295,711.74 = 133,859.22/x - Step 3: Cross multiply
214,424.25x = 295,711.74 × 133,859.22 - Step 4: Simplify right side
214,424.25x = 39,583,742,861.24 - Step 5: Solve for x
x = 39,583,742,861.24/214,424.25 - Step 6: Final answer
x = 184,604.79
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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.