Finding the Fourth Proportional to 432,561.41, 648,859.97 and 148,447.18
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Solution
The fourth proportional to 432,561.41, 648,859.97 and 148,447.18 is: 222,676.90
Step by Step Solution
- Step 1: Write the proportion equation
432,561.41 : 648,859.97 = 148,447.18 : x - Step 2: Convert to fraction form
432,561.41/648,859.97 = 148,447.18/x - Step 3: Cross multiply
432,561.41x = 648,859.97 × 148,447.18 - Step 4: Simplify right side
432,561.41x = 96,321,433,108.56 - Step 5: Solve for x
x = 96,321,433,108.56/432,561.41 - Step 6: Final answer
x = 222,676.90
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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.