Finding the Fourth Proportional to 401,424.85, 602,137.27 and 135,163.06
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Solution
The fourth proportional to 401,424.85, 602,137.27 and 135,163.06 is: 202,744.59
Step by Step Solution
- Step 1: Write the proportion equation
401,424.85 : 602,137.27 = 135,163.06 : x - Step 2: Convert to fraction form
401,424.85/602,137.27 = 135,163.06/x - Step 3: Cross multiply
401,424.85x = 602,137.27 × 135,163.06 - Step 4: Simplify right side
401,424.85x = 81,386,717,623.73 - Step 5: Solve for x
x = 81,386,717,623.73/401,424.85 - Step 6: Final answer
x = 202,744.59
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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.