Finding the Fourth Proportional to 324,750.70, 487,039.65 and 100,110.70
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Solution
The fourth proportional to 324,750.70, 487,039.65 and 100,110.70 is: 150,139.42
Step by Step Solution
- Step 1: Write the proportion equation
324,750.70 : 487,039.65 = 100,110.70 : x - Step 2: Convert to fraction form
324,750.70/487,039.65 = 100,110.70/x - Step 3: Cross multiply
324,750.70x = 487,039.65 × 100,110.70 - Step 4: Simplify right side
324,750.70x = 48,757,880,289.26 - Step 5: Solve for x
x = 48,757,880,289.26/324,750.70 - Step 6: Final answer
x = 150,139.42
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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.