Finding the Fourth Proportional to 245,723.32, 339,202.84 and 165,197.56
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Solution
The fourth proportional to 245,723.32, 339,202.84 and 165,197.56 is: 228,042.99
Step by Step Solution
- Step 1: Write the proportion equation
245,723.32 : 339,202.84 = 165,197.56 : x - Step 2: Convert to fraction form
245,723.32/339,202.84 = 165,197.56/x - Step 3: Cross multiply
245,723.32x = 339,202.84 × 165,197.56 - Step 4: Simplify right side
245,723.32x = 56,035,481,513.07 - Step 5: Solve for x
x = 56,035,481,513.07/245,723.32 - Step 6: Final answer
x = 228,042.99
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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.