Finding the Fourth Proportional to 328,519.65, 453,357.07 and 177,616.65
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Solution
The fourth proportional to 328,519.65, 453,357.07 and 177,616.65 is: 245,110.95
Step by Step Solution
- Step 1: Write the proportion equation
328,519.65 : 453,357.07 = 177,616.65 : x - Step 2: Convert to fraction form
328,519.65/453,357.07 = 177,616.65/x - Step 3: Cross multiply
328,519.65x = 453,357.07 × 177,616.65 - Step 4: Simplify right side
328,519.65x = 80,523,764,027.22 - Step 5: Solve for x
x = 80,523,764,027.22/328,519.65 - Step 6: Final answer
x = 245,110.95
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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.