Finding the Fourth Proportional to 386,710.01, 533,651.77 and 214,617.97
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Solution
The fourth proportional to 386,710.01, 533,651.77 and 214,617.97 is: 296,168.33
Step by Step Solution
- Step 1: Write the proportion equation
386,710.01 : 533,651.77 = 214,617.97 : x - Step 2: Convert to fraction form
386,710.01/533,651.77 = 214,617.97/x - Step 3: Cross multiply
386,710.01x = 533,651.77 × 214,617.97 - Step 4: Simplify right side
386,710.01x = 114,531,259,564.31 - Step 5: Solve for x
x = 114,531,259,564.31/386,710.01 - Step 6: Final answer
x = 296,168.33
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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.