Finding the Fourth Proportional to 311,964.70, 467,947.05 and 125,110.30
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Solution
The fourth proportional to 311,964.70, 467,947.05 and 125,110.30 is: 187,665.45
Step by Step Solution
- Step 1: Write the proportion equation
311,964.70 : 467,947.05 = 125,110.30 : x - Step 2: Convert to fraction form
311,964.70/467,947.05 = 125,110.30/x - Step 3: Cross multiply
311,964.70x = 467,947.05 × 125,110.30 - Step 4: Simplify right side
311,964.70x = 58,544,995,809.62 - Step 5: Solve for x
x = 58,544,995,809.62/311,964.70 - Step 6: Final answer
x = 187,665.45
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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.