Finding the Fourth Proportional to 307,467.80, 461,201.70 and 254,979.80
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Solution
The fourth proportional to 307,467.80, 461,201.70 and 254,979.80 is: 382,469.70
Step by Step Solution
- Step 1: Write the proportion equation
307,467.80 : 461,201.70 = 254,979.80 : x - Step 2: Convert to fraction form
307,467.80/461,201.70 = 254,979.80/x - Step 3: Cross multiply
307,467.80x = 461,201.70 × 254,979.80 - Step 4: Simplify right side
307,467.80x = 117,597,117,225.66 - Step 5: Solve for x
x = 117,597,117,225.66/307,467.80 - Step 6: Final answer
x = 382,469.70
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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.