Finding the Fourth Proportional to 328,869.26, 453,839.98 and 177,966.26
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Solution
The fourth proportional to 328,869.26, 453,839.98 and 177,966.26 is: 245,593.66
Step by Step Solution
- Step 1: Write the proportion equation
328,869.26 : 453,839.98 = 177,966.26 : x - Step 2: Convert to fraction form
328,869.26/453,839.98 = 177,966.26/x - Step 3: Cross multiply
328,869.26x = 453,839.98 × 177,966.26 - Step 4: Simplify right side
328,869.26x = 80,768,203,879.07 - Step 5: Solve for x
x = 80,768,203,879.07/328,869.26 - Step 6: Final answer
x = 245,593.66
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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.