Finding the Fourth Proportional to 385,249.98, 577,731.27 and 132,458.94
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Solution
The fourth proportional to 385,249.98, 577,731.27 and 132,458.94 is: 198,639.00
Step by Step Solution
- Step 1: Write the proportion equation
385,249.98 : 577,731.27 = 132,458.94 : x - Step 2: Convert to fraction form
385,249.98/577,731.27 = 132,458.94/x - Step 3: Cross multiply
385,249.98x = 577,731.27 × 132,458.94 - Step 4: Simplify right side
385,249.98x = 76,525,671,629.05 - Step 5: Solve for x
x = 76,525,671,629.05/385,249.98 - Step 6: Final answer
x = 198,639.00
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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.