Finding the Fourth Proportional to 272,331.60, 408,934.80 and 205,846.80
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Solution
The fourth proportional to 272,331.60, 408,934.80 and 205,846.80 is: 309,100.82
Step by Step Solution
- Step 1: Write the proportion equation
272,331.60 : 408,934.80 = 205,846.80 : x - Step 2: Convert to fraction form
272,331.60/408,934.80 = 205,846.80/x - Step 3: Cross multiply
272,331.60x = 408,934.80 × 205,846.80 - Step 4: Simplify right side
272,331.60x = 84,177,919,988.64 - Step 5: Solve for x
x = 84,177,919,988.64/272,331.60 - Step 6: Final answer
x = 309,100.82
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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.