Finding the Fourth Proportional to 258,575.00, 388,225.78 and 132,305.79
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Solution
The fourth proportional to 258,575.00, 388,225.78 and 132,305.79 is: 198,644.56
Step by Step Solution
- Step 1: Write the proportion equation
258,575.00 : 388,225.78 = 132,305.79 : x - Step 2: Convert to fraction form
258,575.00/388,225.78 = 132,305.79/x - Step 3: Cross multiply
258,575.00x = 388,225.78 × 132,305.79 - Step 4: Simplify right side
258,575.00x = 51,364,516,580.14 - Step 5: Solve for x
x = 51,364,516,580.14/258,575.00 - Step 6: Final answer
x = 198,644.56
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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.