Finding the Fourth Proportional to 328,518.99, 453,356.87 and 177,615.99
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Solution
The fourth proportional to 328,518.99, 453,356.87 and 177,615.99 is: 245,110.42
Step by Step Solution
- Step 1: Write the proportion equation
328,518.99 : 453,356.87 = 177,615.99 : x - Step 2: Convert to fraction form
328,518.99/453,356.87 = 177,615.99/x - Step 3: Cross multiply
328,518.99x = 453,356.87 × 177,615.99 - Step 4: Simplify right side
328,518.99x = 80,523,428,400.27 - Step 5: Solve for x
x = 80,523,428,400.27/328,518.99 - Step 6: Final answer
x = 245,110.42
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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.