Finding the Fourth Proportional to 274,830.47, 412,471.79 and 117,236.87
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Solution
The fourth proportional to 274,830.47, 412,471.79 and 117,236.87 is: 175,951.75
Step by Step Solution
- Step 1: Write the proportion equation
274,830.47 : 412,471.79 = 117,236.87 : x - Step 2: Convert to fraction form
274,830.47/412,471.79 = 117,236.87/x - Step 3: Cross multiply
274,830.47x = 412,471.79 × 117,236.87 - Step 4: Simplify right side
274,830.47x = 48,356,901,622.90 - Step 5: Solve for x
x = 48,356,901,622.90/274,830.47 - Step 6: Final answer
x = 175,951.75
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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.