Finding the Fourth Proportional to 328,674.48, 453,569.88 and 177,771.12
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Solution
The fourth proportional to 328,674.48, 453,569.88 and 177,771.12 is: 245,323.66
Step by Step Solution
- Step 1: Write the proportion equation
328,674.48 : 453,569.88 = 177,771.12 : x - Step 2: Convert to fraction form
328,674.48/453,569.88 = 177,771.12/x - Step 3: Cross multiply
328,674.48x = 453,569.88 × 177,771.12 - Step 4: Simplify right side
328,674.48x = 80,631,625,565.87 - Step 5: Solve for x
x = 80,631,625,565.87/328,674.48 - Step 6: Final answer
x = 245,323.66
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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.