Finding the Fourth Proportional to 263,923.13, 363,725.49 and 187,445.57
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Solution
The fourth proportional to 263,923.13, 363,725.49 and 187,445.57 is: 258,327.99
Step by Step Solution
- Step 1: Write the proportion equation
263,923.13 : 363,725.49 = 187,445.57 : x - Step 2: Convert to fraction form
263,923.13/363,725.49 = 187,445.57/x - Step 3: Cross multiply
263,923.13x = 363,725.49 × 187,445.57 - Step 4: Simplify right side
263,923.13x = 68,178,731,796.58 - Step 5: Solve for x
x = 68,178,731,796.58/263,923.13 - Step 6: Final answer
x = 258,327.99
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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.