Finding the Fourth Proportional to 100,630.23, 150,936.09 and 34,062.75
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Solution
The fourth proportional to 100,630.23, 150,936.09 and 34,062.75 is: 51,090.99
Step by Step Solution
- Step 1: Write the proportion equation
100,630.23 : 150,936.09 = 34,062.75 : x - Step 2: Convert to fraction form
100,630.23/150,936.09 = 34,062.75/x - Step 3: Cross multiply
100,630.23x = 150,936.09 × 34,062.75 - Step 4: Simplify right side
100,630.23x = 5,141,298,299.65 - Step 5: Solve for x
x = 5,141,298,299.65/100,630.23 - Step 6: Final answer
x = 51,090.99
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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.