Finding the Fourth Proportional to 218,438.40, 327,029.04 and 195,644.64
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Solution
The fourth proportional to 218,438.40, 327,029.04 and 195,644.64 is: 292,903.99
Step by Step Solution
- Step 1: Write the proportion equation
218,438.40 : 327,029.04 = 195,644.64 : x - Step 2: Convert to fraction form
218,438.40/327,029.04 = 195,644.64/x - Step 3: Cross multiply
218,438.40x = 327,029.04 × 195,644.64 - Step 4: Simplify right side
218,438.40x = 63,981,478,800.35 - Step 5: Solve for x
x = 63,981,478,800.35/218,438.40 - Step 6: Final answer
x = 292,903.99
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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.