Finding the Fourth Proportional to 205,841.16, 309,045.09 and 104,707.68
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Solution
The fourth proportional to 205,841.16, 309,045.09 and 104,707.68 is: 157,205.66
Step by Step Solution
- Step 1: Write the proportion equation
205,841.16 : 309,045.09 = 104,707.68 : x - Step 2: Convert to fraction form
205,841.16/309,045.09 = 104,707.68/x - Step 3: Cross multiply
205,841.16x = 309,045.09 × 104,707.68 - Step 4: Simplify right side
205,841.16x = 32,359,394,389.29 - Step 5: Solve for x
x = 32,359,394,389.29/205,841.16 - Step 6: Final answer
x = 157,205.66
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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.