Finding the Fourth Proportional to 245,716.40, 339,193.26 and 165,190.63
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Solution
The fourth proportional to 245,716.40, 339,193.26 and 165,190.63 is: 228,033.40
Step by Step Solution
- Step 1: Write the proportion equation
245,716.40 : 339,193.26 = 165,190.63 : x - Step 2: Convert to fraction form
245,716.40/339,193.26 = 165,190.63/x - Step 3: Cross multiply
245,716.40x = 339,193.26 × 165,190.63 - Step 4: Simplify right side
245,716.40x = 56,031,545,789.23 - Step 5: Solve for x
x = 56,031,545,789.23/245,716.40 - Step 6: Final answer
x = 228,033.40
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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.