Finding the Fourth Proportional to 311,641.68, 467,541.04 and 87,001.84
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Solution
The fourth proportional to 311,641.68, 467,541.04 and 87,001.84 is: 130,524.68
Step by Step Solution
- Step 1: Write the proportion equation
311,641.68 : 467,541.04 = 87,001.84 : x - Step 2: Convert to fraction form
311,641.68/467,541.04 = 87,001.84/x - Step 3: Cross multiply
311,641.68x = 467,541.04 × 87,001.84 - Step 4: Simplify right side
311,641.68x = 40,676,930,755.51 - Step 5: Solve for x
x = 40,676,930,755.51/311,641.68 - Step 6: Final answer
x = 130,524.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.