Finding the Fourth Proportional to 213,985.26, 295,395.03 and 141,431.85
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Solution
The fourth proportional to 213,985.26, 295,395.03 and 141,431.85 is: 195,238.99
Step by Step Solution
- Step 1: Write the proportion equation
213,985.26 : 295,395.03 = 141,431.85 : x - Step 2: Convert to fraction form
213,985.26/295,395.03 = 141,431.85/x - Step 3: Cross multiply
213,985.26x = 295,395.03 × 141,431.85 - Step 4: Simplify right side
213,985.26x = 41,778,265,573.71 - Step 5: Solve for x
x = 41,778,265,573.71/213,985.26 - Step 6: Final answer
x = 195,238.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.