Finding the Fourth Proportional to 436,757.27, 655,135.70 and 121,214.07
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Solution
The fourth proportional to 436,757.27, 655,135.70 and 121,214.07 is: 181,821.05
Step by Step Solution
- Step 1: Write the proportion equation
436,757.27 : 655,135.70 = 121,214.07 : x - Step 2: Convert to fraction form
436,757.27/655,135.70 = 121,214.07/x - Step 3: Cross multiply
436,757.27x = 655,135.70 × 121,214.07 - Step 4: Simplify right side
436,757.27x = 79,411,663,993.23 - Step 5: Solve for x
x = 79,411,663,993.23/436,757.27 - Step 6: Final answer
x = 181,821.05
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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.