Finding the Fourth Proportional to 259,759.44, 389,551.68 and 209,720.88
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Solution
The fourth proportional to 259,759.44, 389,551.68 and 209,720.88 is: 314,510.69
Step by Step Solution
- Step 1: Write the proportion equation
259,759.44 : 389,551.68 = 209,720.88 : x - Step 2: Convert to fraction form
259,759.44/389,551.68 = 209,720.88/x - Step 3: Cross multiply
259,759.44x = 389,551.68 × 209,720.88 - Step 4: Simplify right side
259,759.44x = 81,697,121,135.08 - Step 5: Solve for x
x = 81,697,121,135.08/259,759.44 - Step 6: Final answer
x = 314,510.69
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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.