Finding the Fourth Proportional to 324,171.10, 485,924.09 and 124,437.70
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Solution
The fourth proportional to 324,171.10, 485,924.09 and 124,437.70 is: 186,528.89
Step by Step Solution
- Step 1: Write the proportion equation
324,171.10 : 485,924.09 = 124,437.70 : x - Step 2: Convert to fraction form
324,171.10/485,924.09 = 124,437.70/x - Step 3: Cross multiply
324,171.10x = 485,924.09 × 124,437.70 - Step 4: Simplify right side
324,171.10x = 60,467,275,230.48 - Step 5: Solve for x
x = 60,467,275,230.48/324,171.10 - Step 6: Final answer
x = 186,528.89
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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.