Finding the Fourth Proportional to 201,919.32, 302,820.64 and 68,796.63
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Solution
The fourth proportional to 201,919.32, 302,820.64 and 68,796.63 is: 103,175.07
Step by Step Solution
- Step 1: Write the proportion equation
201,919.32 : 302,820.64 = 68,796.63 : x - Step 2: Convert to fraction form
201,919.32/302,820.64 = 68,796.63/x - Step 3: Cross multiply
201,919.32x = 302,820.64 × 68,796.63 - Step 4: Simplify right side
201,919.32x = 20,833,039,526.44 - Step 5: Solve for x
x = 20,833,039,526.44/201,919.32 - Step 6: Final answer
x = 103,175.07
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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.