Finding the Fourth Proportional to 202,939.99, 304,412.04 and 90,625.93
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Solution
The fourth proportional to 202,939.99, 304,412.04 and 90,625.93 is: 135,939.81
Step by Step Solution
- Step 1: Write the proportion equation
202,939.99 : 304,412.04 = 90,625.93 : x - Step 2: Convert to fraction form
202,939.99/304,412.04 = 90,625.93/x - Step 3: Cross multiply
202,939.99x = 304,412.04 × 90,625.93 - Step 4: Simplify right side
202,939.99x = 27,587,624,228.20 - Step 5: Solve for x
x = 27,587,624,228.20/202,939.99 - Step 6: Final answer
x = 135,939.81
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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.