Finding the Fourth Proportional to 302,591.70, 453,887.55 and 92,229.30
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Solution
The fourth proportional to 302,591.70, 453,887.55 and 92,229.30 is: 138,343.95
Step by Step Solution
- Step 1: Write the proportion equation
302,591.70 : 453,887.55 = 92,229.30 : x - Step 2: Convert to fraction form
302,591.70/453,887.55 = 92,229.30/x - Step 3: Cross multiply
302,591.70x = 453,887.55 × 92,229.30 - Step 4: Simplify right side
302,591.70x = 41,861,731,015.22 - Step 5: Solve for x
x = 41,861,731,015.22/302,591.70 - Step 6: Final answer
x = 138,343.95
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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.