Finding the Fourth Proportional to 259,370.75, 389,090.16 and 101,578.70
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Solution
The fourth proportional to 259,370.75, 389,090.16 and 101,578.70 is: 152,381.37
Step by Step Solution
- Step 1: Write the proportion equation
259,370.75 : 389,090.16 = 101,578.70 : x - Step 2: Convert to fraction form
259,370.75/389,090.16 = 101,578.70/x - Step 3: Cross multiply
259,370.75x = 389,090.16 × 101,578.70 - Step 4: Simplify right side
259,370.75x = 39,523,270,690.14 - Step 5: Solve for x
x = 39,523,270,690.14/259,370.75 - Step 6: Final answer
x = 152,381.37
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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.