Finding the Fourth Proportional to 256,512.36, 353,991.24 and 149,043.18
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Solution
The fourth proportional to 256,512.36, 353,991.24 and 149,043.18 is: 205,682.02
Step by Step Solution
- Step 1: Write the proportion equation
256,512.36 : 353,991.24 = 149,043.18 : x - Step 2: Convert to fraction form
256,512.36/353,991.24 = 149,043.18/x - Step 3: Cross multiply
256,512.36x = 353,991.24 × 149,043.18 - Step 4: Simplify right side
256,512.36x = 52,759,980,101.74 - Step 5: Solve for x
x = 52,759,980,101.74/256,512.36 - Step 6: Final answer
x = 205,682.02
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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.