Finding the Fourth Proportional to 328,400.87, 453,193.98 and 177,497.87
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Solution
The fourth proportional to 328,400.87, 453,193.98 and 177,497.87 is: 244,947.48
Step by Step Solution
- Step 1: Write the proportion equation
328,400.87 : 453,193.98 = 177,497.87 : x - Step 2: Convert to fraction form
328,400.87/453,193.98 = 177,497.87/x - Step 3: Cross multiply
328,400.87x = 453,193.98 × 177,497.87 - Step 4: Simplify right side
328,400.87x = 80,440,966,146.82 - Step 5: Solve for x
x = 80,440,966,146.82/328,400.87 - Step 6: Final answer
x = 244,947.48
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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.