Finding the Fourth Proportional to 492,236.70, 738,139.05 and 225,908.70
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Solution
The fourth proportional to 492,236.70, 738,139.05 and 225,908.70 is: 338,763.92
Step by Step Solution
- Step 1: Write the proportion equation
492,236.70 : 738,139.05 = 225,908.70 : x - Step 2: Convert to fraction form
492,236.70/738,139.05 = 225,908.70/x - Step 3: Cross multiply
492,236.70x = 738,139.05 × 225,908.70 - Step 4: Simplify right side
492,236.70x = 166,752,033,204.74 - Step 5: Solve for x
x = 166,752,033,204.74/492,236.70 - Step 6: Final answer
x = 338,763.92
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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.