Finding the Fourth Proportional to 302,711.13, 453,755.16 and 134,310.78
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Solution
The fourth proportional to 302,711.13, 453,755.16 and 134,310.78 is: 201,327.94
Step by Step Solution
- Step 1: Write the proportion equation
302,711.13 : 453,755.16 = 134,310.78 : x - Step 2: Convert to fraction form
302,711.13/453,755.16 = 134,310.78/x - Step 3: Cross multiply
302,711.13x = 453,755.16 × 134,310.78 - Step 4: Simplify right side
302,711.13x = 60,944,209,468.62 - Step 5: Solve for x
x = 60,944,209,468.62/302,711.13 - Step 6: Final answer
x = 201,327.94
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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.