Finding the Fourth Proportional to 436,959.49, 655,474.80 and 121,416.43
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Solution
The fourth proportional to 436,959.49, 655,474.80 and 121,416.43 is: 182,134.53
Step by Step Solution
- Step 1: Write the proportion equation
436,959.49 : 655,474.80 = 121,416.43 : x - Step 2: Convert to fraction form
436,959.49/655,474.80 = 121,416.43/x - Step 3: Cross multiply
436,959.49x = 655,474.80 × 121,416.43 - Step 4: Simplify right side
436,959.49x = 79,585,410,170.96 - Step 5: Solve for x
x = 79,585,410,170.96/436,959.49 - Step 6: Final answer
x = 182,134.53
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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.