Finding the Fourth Proportional to 135,031.62, 202,544.82 and 40,325.97
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Solution
The fourth proportional to 135,031.62, 202,544.82 and 40,325.97 is: 60,488.18
Step by Step Solution
- Step 1: Write the proportion equation
135,031.62 : 202,544.82 = 40,325.97 : x - Step 2: Convert to fraction form
135,031.62/202,544.82 = 40,325.97/x - Step 3: Cross multiply
135,031.62x = 202,544.82 × 40,325.97 - Step 4: Simplify right side
135,031.62x = 8,167,816,334.98 - Step 5: Solve for x
x = 8,167,816,334.98/135,031.62 - Step 6: Final answer
x = 60,488.18
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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.