Finding the Fourth Proportional to 255,124.26, 382,438.26 and 121,969.98
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Solution
The fourth proportional to 255,124.26, 382,438.26 and 121,969.98 is: 182,836.34
Step by Step Solution
- Step 1: Write the proportion equation
255,124.26 : 382,438.26 = 121,969.98 : x - Step 2: Convert to fraction form
255,124.26/382,438.26 = 121,969.98/x - Step 3: Cross multiply
255,124.26x = 382,438.26 × 121,969.98 - Step 4: Simplify right side
255,124.26x = 46,645,986,923.43 - Step 5: Solve for x
x = 46,645,986,923.43/255,124.26 - Step 6: Final answer
x = 182,836.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.