Finding the Fourth Proportional to 301,119.21, 415,552.14 and 170,286.39
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Solution
The fourth proportional to 301,119.21, 415,552.14 and 170,286.39 is: 234,999.53
Step by Step Solution
- Step 1: Write the proportion equation
301,119.21 : 415,552.14 = 170,286.39 : x - Step 2: Convert to fraction form
301,119.21/415,552.14 = 170,286.39/x - Step 3: Cross multiply
301,119.21x = 415,552.14 × 170,286.39 - Step 4: Simplify right side
301,119.21x = 70,762,873,777.37 - Step 5: Solve for x
x = 70,762,873,777.37/301,119.21 - Step 6: Final answer
x = 234,999.53
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1.5x scale
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.