Finding the Fourth Proportional to 348,163.44, 480,551.02 and 212,272.32
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Solution
The fourth proportional to 348,163.44, 480,551.02 and 212,272.32 is: 292,987.92
Step by Step Solution
- Step 1: Write the proportion equation
348,163.44 : 480,551.02 = 212,272.32 : x - Step 2: Convert to fraction form
348,163.44/480,551.02 = 212,272.32/x - Step 3: Cross multiply
348,163.44x = 480,551.02 × 212,272.32 - Step 4: Simplify right side
348,163.44x = 102,007,680,410.62 - Step 5: Solve for x
x = 102,007,680,410.62/348,163.44 - Step 6: Final answer
x = 292,987.92
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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.