Finding the Fourth Proportional to 328,519.48, 453,357.58 and 177,616.48
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Solution
The fourth proportional to 328,519.48, 453,357.58 and 177,616.48 is: 245,111.12
Step by Step Solution
- Step 1: Write the proportion equation
328,519.48 : 453,357.58 = 177,616.48 : x - Step 2: Convert to fraction form
328,519.48/453,357.58 = 177,616.48/x - Step 3: Cross multiply
328,519.48x = 453,357.58 × 177,616.48 - Step 4: Simplify right side
328,519.48x = 80,523,777,540.92 - Step 5: Solve for x
x = 80,523,777,540.92/328,519.48 - Step 6: Final answer
x = 245,111.12
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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.