Finding the Fourth Proportional to 259,170.39, 389,941.43 and 154,068.03
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Solution
The fourth proportional to 259,170.39, 389,941.43 and 154,068.03 is: 231,806.99
Step by Step Solution
- Step 1: Write the proportion equation
259,170.39 : 389,941.43 = 154,068.03 : x - Step 2: Convert to fraction form
259,170.39/389,941.43 = 154,068.03/x - Step 3: Cross multiply
259,170.39x = 389,941.43 × 154,068.03 - Step 4: Simplify right side
259,170.39x = 60,077,507,165.14 - Step 5: Solve for x
x = 60,077,507,165.14/259,170.39 - Step 6: Final answer
x = 231,806.99
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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.