Finding the Fourth Proportional to 418,684.41, 577,538.49 and 263,388.73
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Solution
The fourth proportional to 418,684.41, 577,538.49 and 263,388.73 is: 363,321.69
Step by Step Solution
- Step 1: Write the proportion equation
418,684.41 : 577,538.49 = 263,388.73 : x - Step 2: Convert to fraction form
418,684.41/577,538.49 = 263,388.73/x - Step 3: Cross multiply
418,684.41x = 577,538.49 × 263,388.73 - Step 4: Simplify right side
418,684.41x = 152,117,129,407.22 - Step 5: Solve for x
x = 152,117,129,407.22/418,684.41 - Step 6: Final answer
x = 363,321.69
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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.