Finding the Fourth Proportional to 385,107.04, 577,438.21 and 118,796.05
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Solution
The fourth proportional to 385,107.04, 577,438.21 and 118,796.05 is: 178,125.49
Step by Step Solution
- Step 1: Write the proportion equation
385,107.04 : 577,438.21 = 118,796.05 : x - Step 2: Convert to fraction form
385,107.04/577,438.21 = 118,796.05/x - Step 3: Cross multiply
385,107.04x = 577,438.21 × 118,796.05 - Step 4: Simplify right side
385,107.04x = 68,597,378,467.07 - Step 5: Solve for x
x = 68,597,378,467.07/385,107.04 - Step 6: Final answer
x = 178,125.49
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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.