Finding the Fourth Proportional to 328,409.28, 453,205.49 and 177,506.28
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Solution
The fourth proportional to 328,409.28, 453,205.49 and 177,506.28 is: 244,959.03
Step by Step Solution
- Step 1: Write the proportion equation
328,409.28 : 453,205.49 = 177,506.28 : x - Step 2: Convert to fraction form
328,409.28/453,205.49 = 177,506.28/x - Step 3: Cross multiply
328,409.28x = 453,205.49 × 177,506.28 - Step 4: Simplify right side
328,409.28x = 80,446,819,717.95 - Step 5: Solve for x
x = 80,446,819,717.95/328,409.28 - Step 6: Final answer
x = 244,959.03
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1.5x scale
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.