Finding the Fourth Proportional to 255,177.97, 352,142.79 and 140,454.13
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Solution
The fourth proportional to 255,177.97, 352,142.79 and 140,454.13 is: 193,825.15
Step by Step Solution
- Step 1: Write the proportion equation
255,177.97 : 352,142.79 = 140,454.13 : x - Step 2: Convert to fraction form
255,177.97/352,142.79 = 140,454.13/x - Step 3: Cross multiply
255,177.97x = 352,142.79 × 140,454.13 - Step 4: Simplify right side
255,177.97x = 49,459,909,205.22 - Step 5: Solve for x
x = 49,459,909,205.22/255,177.97 - Step 6: Final answer
x = 193,825.15
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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.