Finding the Fourth Proportional to 204,781.26, 307,111.68 and 71,636.70
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Solution
The fourth proportional to 204,781.26, 307,111.68 and 71,636.70 is: 107,433.99
Step by Step Solution
- Step 1: Write the proportion equation
204,781.26 : 307,111.68 = 71,636.70 : x - Step 2: Convert to fraction form
204,781.26/307,111.68 = 71,636.70/x - Step 3: Cross multiply
204,781.26x = 307,111.68 × 71,636.70 - Step 4: Simplify right side
204,781.26x = 22,000,467,286.66 - Step 5: Solve for x
x = 22,000,467,286.66/204,781.26 - Step 6: Final answer
x = 107,433.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.