Finding the Fourth Proportional to 259,730.64, 389,544.12 and 82,207.44
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Solution
The fourth proportional to 259,730.64, 389,544.12 and 82,207.44 is: 123,294.75
Step by Step Solution
- Step 1: Write the proportion equation
259,730.64 : 389,544.12 = 82,207.44 : x - Step 2: Convert to fraction form
259,730.64/389,544.12 = 82,207.44/x - Step 3: Cross multiply
259,730.64x = 389,544.12 × 82,207.44 - Step 4: Simplify right side
259,730.64x = 32,023,424,872.25 - Step 5: Solve for x
x = 32,023,424,872.25/259,730.64 - Step 6: Final answer
x = 123,294.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.