Finding the Fourth Proportional to 328,784.16, 453,720.24 and 177,877.92
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Solution
The fourth proportional to 328,784.16, 453,720.24 and 177,877.92 is: 245,470.50
Step by Step Solution
- Step 1: Write the proportion equation
328,784.16 : 453,720.24 = 177,877.92 : x - Step 2: Convert to fraction form
328,784.16/453,720.24 = 177,877.92/x - Step 3: Cross multiply
328,784.16x = 453,720.24 × 177,877.92 - Step 4: Simplify right side
328,784.16x = 80,706,812,553.10 - Step 5: Solve for x
x = 80,706,812,553.10/328,784.16 - Step 6: Final answer
x = 245,470.50
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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.