Finding the Fourth Proportional to 328,673.09, 453,568.86 and 177,770.09
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Solution
The fourth proportional to 328,673.09, 453,568.86 and 177,770.09 is: 245,322.72
Step by Step Solution
- Step 1: Write the proportion equation
328,673.09 : 453,568.86 = 177,770.09 : x - Step 2: Convert to fraction form
328,673.09/453,568.86 = 177,770.09/x - Step 3: Cross multiply
328,673.09x = 453,568.86 × 177,770.09 - Step 4: Simplify right side
328,673.09x = 80,630,974,795.55 - Step 5: Solve for x
x = 80,630,974,795.55/328,673.09 - Step 6: Final answer
x = 245,322.72
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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.