Finding the Fourth Proportional to 401,441.35, 602,163.06 and 135,388.75
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Solution
The fourth proportional to 401,441.35, 602,163.06 and 135,388.75 is: 203,083.47
Step by Step Solution
- Step 1: Write the proportion equation
401,441.35 : 602,163.06 = 135,388.75 : x - Step 2: Convert to fraction form
401,441.35/602,163.06 = 135,388.75/x - Step 3: Cross multiply
401,441.35x = 602,163.06 × 135,388.75 - Step 4: Simplify right side
401,441.35x = 81,526,103,989.58 - Step 5: Solve for x
x = 81,526,103,989.58/401,441.35 - Step 6: Final answer
x = 203,083.47
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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.