Finding the Fourth Proportional to 387,660.44, 534,893.01 and 226,484.37
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Solution
The fourth proportional to 387,660.44, 534,893.01 and 226,484.37 is: 312,502.63
Step by Step Solution
- Step 1: Write the proportion equation
387,660.44 : 534,893.01 = 226,484.37 : x - Step 2: Convert to fraction form
387,660.44/534,893.01 = 226,484.37/x - Step 3: Cross multiply
387,660.44x = 534,893.01 × 226,484.37 - Step 4: Simplify right side
387,660.44x = 121,144,906,387.25 - Step 5: Solve for x
x = 121,144,906,387.25/387,660.44 - Step 6: Final answer
x = 312,502.63
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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.