Finding the Fourth Proportional to 328,646.75, 453,532.52 and 177,743.75
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Solution
The fourth proportional to 328,646.75, 453,532.52 and 177,743.75 is: 245,286.38
Step by Step Solution
- Step 1: Write the proportion equation
328,646.75 : 453,532.52 = 177,743.75 : x - Step 2: Convert to fraction form
328,646.75/453,532.52 = 177,743.75/x - Step 3: Cross multiply
328,646.75x = 453,532.52 × 177,743.75 - Step 4: Simplify right side
328,646.75x = 80,612,570,851.75 - Step 5: Solve for x
x = 80,612,570,851.75/328,646.75 - Step 6: Final answer
x = 245,286.38
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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.