Finding the Fourth Proportional to 194,120.62, 291,137.19 and 75,731.02
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Solution
The fourth proportional to 194,120.62, 291,137.19 and 75,731.02 is: 113,579.47
Step by Step Solution
- Step 1: Write the proportion equation
194,120.62 : 291,137.19 = 75,731.02 : x - Step 2: Convert to fraction form
194,120.62/291,137.19 = 75,731.02/x - Step 3: Cross multiply
194,120.62x = 291,137.19 × 75,731.02 - Step 4: Simplify right side
194,120.62x = 22,048,116,358.63 - Step 5: Solve for x
x = 22,048,116,358.63/194,120.62 - Step 6: Final answer
x = 113,579.47
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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.