Finding the Fourth Proportional to 385,115.10, 577,672.65 and 175,163.10
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Solution
The fourth proportional to 385,115.10, 577,672.65 and 175,163.10 is: 262,744.65
Step by Step Solution
- Step 1: Write the proportion equation
385,115.10 : 577,672.65 = 175,163.10 : x - Step 2: Convert to fraction form
385,115.10/577,672.65 = 175,163.10/x - Step 3: Cross multiply
385,115.10x = 577,672.65 × 175,163.10 - Step 4: Simplify right side
385,115.10x = 101,186,932,159.22 - Step 5: Solve for x
x = 101,186,932,159.22/385,115.10 - Step 6: Final answer
x = 262,744.65
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1.5x scale
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.