Finding the Fourth Proportional to 341,761.70, 512,642.55 and 201,793.70
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Solution
The fourth proportional to 341,761.70, 512,642.55 and 201,793.70 is: 302,690.55
Step by Step Solution
- Step 1: Write the proportion equation
341,761.70 : 512,642.55 = 201,793.70 : x - Step 2: Convert to fraction form
341,761.70/512,642.55 = 201,793.70/x - Step 3: Cross multiply
341,761.70x = 512,642.55 × 201,793.70 - Step 4: Simplify right side
341,761.70x = 103,448,036,941.94 - Step 5: Solve for x
x = 103,448,036,941.94/341,761.70 - Step 6: Final answer
x = 302,690.55
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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.