Finding the Fourth Proportional to 210,526.26, 290,720.26 and 135,205.98
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Solution
The fourth proportional to 210,526.26, 290,720.26 and 135,205.98 is: 186,708.86
Step by Step Solution
- Step 1: Write the proportion equation
210,526.26 : 290,720.26 = 135,205.98 : x - Step 2: Convert to fraction form
210,526.26/290,720.26 = 135,205.98/x - Step 3: Cross multiply
210,526.26x = 290,720.26 × 135,205.98 - Step 4: Simplify right side
210,526.26x = 39,307,117,659.15 - Step 5: Solve for x
x = 39,307,117,659.15/210,526.26 - Step 6: Final answer
x = 186,708.86
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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.