Finding the Fourth Proportional to 339,173.68, 467,964.84 and 211,978.48
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Solution
The fourth proportional to 339,173.68, 467,964.84 and 211,978.48 is: 292,471.03
Step by Step Solution
- Step 1: Write the proportion equation
339,173.68 : 467,964.84 = 211,978.48 : x - Step 2: Convert to fraction form
339,173.68/467,964.84 = 211,978.48/x - Step 3: Cross multiply
339,173.68x = 467,964.84 × 211,978.48 - Step 4: Simplify right side
339,173.68x = 99,198,475,476.64 - Step 5: Solve for x
x = 99,198,475,476.64/339,173.68 - Step 6: Final answer
x = 292,471.03
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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.