Finding the Fourth Proportional to 328,982.48, 453,996.36 and 178,080.08
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Solution
The fourth proportional to 328,982.48, 453,996.36 and 178,080.08 is: 245,750.80
Step by Step Solution
- Step 1: Write the proportion equation
328,982.48 : 453,996.36 = 178,080.08 : x - Step 2: Convert to fraction form
328,982.48/453,996.36 = 178,080.08/x - Step 3: Cross multiply
328,982.48x = 453,996.36 × 178,080.08 - Step 4: Simplify right side
328,982.48x = 80,847,708,108.51 - Step 5: Solve for x
x = 80,847,708,108.51/328,982.48 - Step 6: Final answer
x = 245,750.80
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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.