Finding the Fourth Proportional to 132,575.58, 198,894.51 and 43,829.09
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Solution
The fourth proportional to 132,575.58, 198,894.51 and 43,829.09 is: 65,753.92
Step by Step Solution
- Step 1: Write the proportion equation
132,575.58 : 198,894.51 = 43,829.09 : x - Step 2: Convert to fraction form
132,575.58/198,894.51 = 43,829.09/x - Step 3: Cross multiply
132,575.58x = 198,894.51 × 43,829.09 - Step 4: Simplify right side
132,575.58x = 8,717,364,384.82 - Step 5: Solve for x
x = 8,717,364,384.82/132,575.58 - Step 6: Final answer
x = 65,753.92
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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.