Finding the Fourth Proportional to 253,682.84, 380,193.60 and 141,358.52
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Solution
The fourth proportional to 253,682.84, 380,193.60 and 141,358.52 is: 211,853.53
Step by Step Solution
- Step 1: Write the proportion equation
253,682.84 : 380,193.60 = 141,358.52 : x - Step 2: Convert to fraction form
253,682.84/380,193.60 = 141,358.52/x - Step 3: Cross multiply
253,682.84x = 380,193.60 × 141,358.52 - Step 4: Simplify right side
253,682.84x = 53,743,604,609.47 - Step 5: Solve for x
x = 53,743,604,609.47/253,682.84 - Step 6: Final answer
x = 211,853.53
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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.