Finding the Fourth Proportional to 345,122.03, 476,194.92 and 201,854.09
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Solution
The fourth proportional to 345,122.03, 476,194.92 and 201,854.09 is: 278,515.67
Step by Step Solution
- Step 1: Write the proportion equation
345,122.03 : 476,194.92 = 201,854.09 : x - Step 2: Convert to fraction form
345,122.03/476,194.92 = 201,854.09/x - Step 3: Cross multiply
345,122.03x = 476,194.92 × 201,854.09 - Step 4: Simplify right side
345,122.03x = 96,121,892,239.22 - Step 5: Solve for x
x = 96,121,892,239.22/345,122.03 - Step 6: Final answer
x = 278,515.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.