Finding the Fourth Proportional to 328,520.99, 453,359.63 and 177,617.99
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Solution
The fourth proportional to 328,520.99, 453,359.63 and 177,617.99 is: 245,113.19
Step by Step Solution
- Step 1: Write the proportion equation
328,520.99 : 453,359.63 = 177,617.99 : x - Step 2: Convert to fraction form
328,520.99/453,359.63 = 177,617.99/x - Step 3: Cross multiply
328,520.99x = 453,359.63 × 177,617.99 - Step 4: Simplify right side
328,520.99x = 80,524,826,227.74 - Step 5: Solve for x
x = 80,524,826,227.74/328,520.99 - Step 6: Final answer
x = 245,113.19
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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.