Finding the Fourth Proportional to 328,519.99, 453,358.25 and 177,616.99
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Solution
The fourth proportional to 328,519.99, 453,358.25 and 177,616.99 is: 245,111.81
Step by Step Solution
- Step 1: Write the proportion equation
328,519.99 : 453,358.25 = 177,616.99 : x - Step 2: Convert to fraction form
328,519.99/453,358.25 = 177,616.99/x - Step 3: Cross multiply
328,519.99x = 453,358.25 × 177,616.99 - Step 4: Simplify right side
328,519.99x = 80,524,127,756.67 - Step 5: Solve for x
x = 80,524,127,756.67/328,519.99 - Step 6: Final answer
x = 245,111.81
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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.