Finding the Fourth Proportional to 100,592.81, 150,812.99 and 50,012.49
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Solution
The fourth proportional to 100,592.81, 150,812.99 and 50,012.49 is: 74,980.84
Step by Step Solution
- Step 1: Write the proportion equation
100,592.81 : 150,812.99 = 50,012.49 : x - Step 2: Convert to fraction form
100,592.81/150,812.99 = 50,012.49/x - Step 3: Cross multiply
100,592.81x = 150,812.99 × 50,012.49 - Step 4: Simplify right side
100,592.81x = 7,542,533,154.25 - Step 5: Solve for x
x = 7,542,533,154.25/100,592.81 - Step 6: Final answer
x = 74,980.84
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1.5x scale
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.