Finding the Fourth Proportional to 501,346.70, 752,497.56 and 311,231.70
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Solution
The fourth proportional to 501,346.70, 752,497.56 and 311,231.70 is: 467,143.99
Step by Step Solution
- Step 1: Write the proportion equation
501,346.70 : 752,497.56 = 311,231.70 : x - Step 2: Convert to fraction form
501,346.70/752,497.56 = 311,231.70/x - Step 3: Cross multiply
501,346.70x = 752,497.56 × 311,231.70 - Step 4: Simplify right side
501,346.70x = 234,201,094,844.65 - Step 5: Solve for x
x = 234,201,094,844.65/501,346.70 - Step 6: Final answer
x = 467,143.99
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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.