Finding the Fourth Proportional to 176,575.80, 264,863.70 and 123,431.70
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Solution
The fourth proportional to 176,575.80, 264,863.70 and 123,431.70 is: 185,147.55
Step by Step Solution
- Step 1: Write the proportion equation
176,575.80 : 264,863.70 = 123,431.70 : x - Step 2: Convert to fraction form
176,575.80/264,863.70 = 123,431.70/x - Step 3: Cross multiply
176,575.80x = 264,863.70 × 123,431.70 - Step 4: Simplify right side
176,575.80x = 32,692,576,759.29 - Step 5: Solve for x
x = 32,692,576,759.29/176,575.80 - Step 6: Final answer
x = 185,147.55
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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.