Finding the Fourth Proportional to 434,153.88, 650,882.97 and 206,335.08
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Solution
The fourth proportional to 434,153.88, 650,882.97 and 206,335.08 is: 309,337.30
Step by Step Solution
- Step 1: Write the proportion equation
434,153.88 : 650,882.97 = 206,335.08 : x - Step 2: Convert to fraction form
434,153.88/650,882.97 = 206,335.08/x - Step 3: Cross multiply
434,153.88x = 650,882.97 × 206,335.08 - Step 4: Simplify right side
434,153.88x = 134,299,989,685.59 - Step 5: Solve for x
x = 134,299,989,685.59/434,153.88 - Step 6: Final answer
x = 309,337.30
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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.