Finding the Fourth Proportional to 223,472.99, 335,103.99 and 81,219.17
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Solution
The fourth proportional to 223,472.99, 335,103.99 and 81,219.17 is: 121,790.41
Step by Step Solution
- Step 1: Write the proportion equation
223,472.99 : 335,103.99 = 81,219.17 : x - Step 2: Convert to fraction form
223,472.99/335,103.99 = 81,219.17/x - Step 3: Cross multiply
223,472.99x = 335,103.99 × 81,219.17 - Step 4: Simplify right side
223,472.99x = 27,216,866,255.97 - Step 5: Solve for x
x = 27,216,866,255.97/223,472.99 - Step 6: Final answer
x = 121,790.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.