Finding the Fourth Proportional to 132,487.14, 198,750.42 and 43,750.02
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Solution
The fourth proportional to 132,487.14, 198,750.42 and 43,750.02 is: 65,631.54
Step by Step Solution
- Step 1: Write the proportion equation
132,487.14 : 198,750.42 = 43,750.02 : x - Step 2: Convert to fraction form
132,487.14/198,750.42 = 43,750.02/x - Step 3: Cross multiply
132,487.14x = 198,750.42 × 43,750.02 - Step 4: Simplify right side
132,487.14x = 8,695,334,850.01 - Step 5: Solve for x
x = 8,695,334,850.01/132,487.14 - Step 6: Final answer
x = 65,631.54
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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.