Finding the Fourth Proportional to 255,629.09, 352,752.08 and 140,901.41
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Solution
The fourth proportional to 255,629.09, 352,752.08 and 140,901.41 is: 194,435.09
Step by Step Solution
- Step 1: Write the proportion equation
255,629.09 : 352,752.08 = 140,901.41 : x - Step 2: Convert to fraction form
255,629.09/352,752.08 = 140,901.41/x - Step 3: Cross multiply
255,629.09x = 352,752.08 × 140,901.41 - Step 4: Simplify right side
255,629.09x = 49,703,265,629.81 - Step 5: Solve for x
x = 49,703,265,629.81/255,629.09 - Step 6: Final answer
x = 194,435.09
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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.