Finding the Fourth Proportional to 151,821.30, 227,731.95 and 149,747.70
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Solution
The fourth proportional to 151,821.30, 227,731.95 and 149,747.70 is: 224,621.55
Step by Step Solution
- Step 1: Write the proportion equation
151,821.30 : 227,731.95 = 149,747.70 : x - Step 2: Convert to fraction form
151,821.30/227,731.95 = 149,747.70/x - Step 3: Cross multiply
151,821.30x = 227,731.95 × 149,747.70 - Step 4: Simplify right side
151,821.30x = 34,102,335,729.02 - Step 5: Solve for x
x = 34,102,335,729.02/151,821.30 - Step 6: Final answer
x = 224,621.55
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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.