Finding the Fourth Proportional to 301,359.07, 415,772.26 and 172,204.75
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Solution
The fourth proportional to 301,359.07, 415,772.26 and 172,204.75 is: 237,583.55
Step by Step Solution
- Step 1: Write the proportion equation
301,359.07 : 415,772.26 = 172,204.75 : x - Step 2: Convert to fraction form
301,359.07/415,772.26 = 172,204.75/x - Step 3: Cross multiply
301,359.07x = 415,772.26 × 172,204.75 - Step 4: Simplify right side
301,359.07x = 71,597,958,090.24 - Step 5: Solve for x
x = 71,597,958,090.24/301,359.07 - Step 6: Final answer
x = 237,583.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.