Finding the Fourth Proportional to 256,400.02, 353,824.57 and 141,676.84
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Solution
The fourth proportional to 256,400.02, 353,824.57 and 141,676.84 is: 195,509.92
Step by Step Solution
- Step 1: Write the proportion equation
256,400.02 : 353,824.57 = 141,676.84 : x - Step 2: Convert to fraction form
256,400.02/353,824.57 = 141,676.84/x - Step 3: Cross multiply
256,400.02x = 353,824.57 × 141,676.84 - Step 4: Simplify right side
256,400.02x = 50,128,746,991.96 - Step 5: Solve for x
x = 50,128,746,991.96/256,400.02 - Step 6: Final answer
x = 195,509.92
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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.