Finding the Fourth Proportional to 231,344.92, 319,256.84 and 134,571.99
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Solution
The fourth proportional to 231,344.92, 319,256.84 and 134,571.99 is: 185,709.84
Step by Step Solution
- Step 1: Write the proportion equation
231,344.92 : 319,256.84 = 134,571.99 : x - Step 2: Convert to fraction form
231,344.92/319,256.84 = 134,571.99/x - Step 3: Cross multiply
231,344.92x = 319,256.84 × 134,571.99 - Step 4: Simplify right side
231,344.92x = 42,963,027,260.77 - Step 5: Solve for x
x = 42,963,027,260.77/231,344.92 - Step 6: Final answer
x = 185,709.84
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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.