Finding the Fourth Proportional to 286,365.60, 395,227.62 and 206,058.96
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Solution
The fourth proportional to 286,365.60, 395,227.62 and 206,058.96 is: 284,392.37
Step by Step Solution
- Step 1: Write the proportion equation
286,365.60 : 395,227.62 = 206,058.96 : x - Step 2: Convert to fraction form
286,365.60/395,227.62 = 206,058.96/x - Step 3: Cross multiply
286,365.60x = 395,227.62 × 206,058.96 - Step 4: Simplify right side
286,365.60x = 81,440,192,340.48 - Step 5: Solve for x
x = 81,440,192,340.48/286,365.60 - Step 6: Final answer
x = 284,392.37
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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.